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The Best Aero Upgrades For Your Money? | GCN Tech Show Ep. 64

The Best Aero Upgrades For Your Money? | GCN Tech Show Ep. 64

– Welcome to the GCN Tech Show, and we’re bringing it to you from Majorca. As Chris, Oli and I, are
here for the GCN event. And its the first one ever. – I’m quite excited by it, but, this video is
nothing to do with that, it’s all about tech. – Yes it is. – Yep, and this week we’ve
got Catherine’s footage from the North American
Handmade Bicycle Show, where she chatted away to an award winner. Not to mention some new wide wheels, and apparently one of the biggest changes in cycling in the last 30
years has been revealed. (upbeat music) It’s been announced,
and according to Trek, it’s one of the biggest revelations in cycling in the last 30 years, WaveCel. A collapsible liner which is going to be fitted inside of selected
Bontrager helmets. The reason for this is
that when you have a crash you tend to move around with
lots of twists and turns, and WaveCel actually absorbs that energy in multiple directions, as apposed to standard EPS foam helmets that absorbs it in just
one specific point. But according to Trek, the actual layers of
material move independently. They flex, they crumple
and then they glide in that order. And get this, they’ve even
done some research too that shows that this WaveCel structure actually prevents concussion
99 times out of 100 with common cycling accidents. That’s absolutely great to hear, that they’re reducing concussion. Now, we’re going to head
over though to Catherine at the North American
Handmade Bicycle Show, where she’s got some information on plasma treatment on frames. – It’s a brand new technology that’s come out of the
University of Dublin, in collaboration with PlasmaBound, and the guys at FiftyOne in Dublin are lucky enough to be
using it on their bicycles. Although its been designed
with the aerospace and automotive industries in mind, FiftyOne are using it here on their bikes to remove this top layer of resin from the carbon fiber
tubes before joining. So it produces a really
precise and reliable result, and I’m sure saves them some time, too. And you can really tell the difference just from feeling it or
even just looking at it. – Sounds like interesting stuff that. Now, more tech, and
while 3T have announced they will shortly be
releasing some new wheels to match up with their Strada
and Exploro frame sets, they’re going to be called
the Discus C45 wide. The 45 stands for the depth
of them, 45 millimeters, but what is the stand
out part of these wheels? Certainly has to be the width. So, measuring externally, 32 millimeters, and internally, 25 millimeters. Now this wider internal
stance means that if you were to fit say a 28 millimeter tire onto them, they can actually be inflated up to about 33 millimeters wide, which is great for those of you who want the increase in comfort. But apparently, they’ve
even done some testing, too. And they’ve been shown
to not actually have any detriment to aerodynamics. And in fact, they’re just as aerodynamic as some 60 millimeter carbon wheels. So there we are, if you’re looking to go, well, a little bit more comfortable, and also a little bit faster,
maybe that’s your thing. Don’t have a release date as of yet, but keep your eyes peeled because they will be hitting shops any day soon. More tech later. – It’s time now for
our main talking point. Now, earlier in the
week I was able to chat to Dr. Xavier Disley of AeroCoach. Now, AeroCoach is a
company that helps athletes improve their aerodynamic
performance and get optimized. Now, Xavier has actually
helped over 750 cyclists become more slippery through the air. So I figured he’d be a
great person to speak to about what’s the best bang for your buck things you can do to get faster. So, here’s what he had to say. – Thanks for joining us, Xav. – No problem. – Always a pleasure. So, something we get asked a lot is, what should I upgrade
in order to get faster? What’s the most, sort of,
bang for my buck upgrade? And also, what’s the priority list, in terms of what should I be upgrading, before I upgrade other things? So, you work with a lot of
athletes to make them faster. I figured you’d be a good person to ask. – So the most important thing
that we find consistently, is that your position on the bike is absolutely crucial in terms of your aerodynamic drag and, by extension, the performance that you’re going to have in races, in sport teams. The rider makes up around 80% of the drag, so making sure that you’re
holding a good position is gonna make you a hell of a lot faster. We know that holding a higher position, so if you’ve got your hands
on the tops and sitting up or you’ve got your hands on your hoods and you’re sitting up straight, it’s going to be a lot slower than if you’re a bit more crouched down and you keep your torso angle a bit lower. So the next thing is still
related to the rider, again, you know, the rider’s
the majority of the drag. And it’s your clothing. So if you have very flappy clothing, it’s gonna slow you down. No matter what speed you’re riding, as long as you’re not
going uphill really slow, aerodynamics are a big factor in cycling. So have tight fitting clothing. So make sure that you don’t
have baggy bits flapping around, or if you have a jacket on or something, that you keep it zipped
up so it’s a bit tighter. That’s going to be
really, really important. So the new bling bike and
the nice set of wheels comes, pretty much straight away
after those two things. So after the rider and their clothing, upgrading the frame of your bike, so aero frames are getting
really good these days, and wheels as well. There’s certainly things with
the bike that you can feel. You don’t really feel the
effects of having a slightly, you know, flappy jersey on necessarily, but you can certainly feel the effects of having nicer wheels
or deep section wheels. – [Interviewer] You’ve put bike and wheels after clothing and after position, but, what kind of proportion,
is the bike and the wheels? – So, you’re looking around
20 to 25% of the drag coming from the bike
rather then the rider, which is more like sort
of 80%, sometimes 75%. Interestingly, a smaller
rider is gonna need to take more care over making
sure their bikes set up is more important than a larger rider, because a larger rider is gonna be causing a lot more drag from their
body and the bike is gonna be a relatively less proportion of that. Making sure that the frame
fits you I think is crucial. So you can get an aero frame but slow yourself down by getting a frame that’s the wrong size
or the wrong geometry, or doesn’t handle the way that you like it and you can’t, you know,
make it go down the road as fast as you used to. Wheels, aero wheels compared
with non aero wheels are always gonna be faster. It’s pretty much, I’d say even, but it’s an instant boost
with the aero wheels. But you have to be a bit more careful with choosing the right frame
for you to make sure you get the right geometry to allow you to hold the position that you need. The next one on the list would be tires. And I think that tires– – [Interviewer] But that’s
not an aero upgrade. – It’s not an aero upgrade but it makes so much importance to your overall speed. If you go from a very slow
training tire to a faster tire, then at 30K an hour
you could be looking at five, six, seven, eight watts
per tire at the top end. So if you do the numbers
and the physics of it, if you’re traveling at less
than, lets say 25km an hour, for a very long extended period of time, then, you’re not gonna
be seeing any improvement from upgrading the aerodynamics
of you or your bike, and lightness will win. But when you do these long rides, they don’t finish at the top of a mountain and then you just ride from
the bottom to the top and stop. You’re having to go down, you’re having to ride on
the flats at some point. And the aero, the penalty
from having slightly heavier but more aero componentry, is gonna far outweigh just
having lightweight kit. – Right, more new tech now. And some of you may well
remember that back at the Tour Down Under I got
my grubby little hands on a pair of Rapha prototype shoes. Good news, they have announced the release of two new pairs of shoes;
the classic and explore. So the classic shoe,
that’s basically the shoe I took a look at on the
feet of Lachlan Morton. So it’s very much a traditional
road-race style shoe. So it’s got some laces on there, and then a single Velcro
strap at the bottom, and a carbon sheet on the inside of the thermoplastic sole. Whereas the explore shoe, it
looks very, very similar to it. Other than the fact its got a rugged, rubber tread pattern on the bottom there. So, it’s ideal for
those of you who like to venture off-road and
I guess they’re hoping that it fits somewhere
on that gravel spectrum. Now, we’re gonna go back to Catherine at the North American
Hand Made Bicycle Show, where she’s been chatting away to an award winning frame builder, as well as an engineer
behind a pretty cool product. – Thanks, John. So number two on our hot tech list is here at CeramicSpeed, and I’m joined by Alex,
who is one of six students who were at university
tasked by CeramicSpeed to come up with a more
efficient drive chain system. – Yeah, so we thought we had
a really exciting concept. We had some really good testing numbers, and we thought there was a
lot of potential for this. But we wanted to make sure that the world thought it was as
cool as we thought it was, and we wanted to make
sure that there was an open arms of reception to moving
forward with this concept. So we built this concept bike
to show what we’re working on, and show it to the world at Eurobike. – [Catherine] Great,
and now you’ve had that huge response, is the aim
to put it into production? What comes next? – Yeah, so, we’re taking
that one step at a time. Before we can talk about production we need to solve some
fundamental issues first. Especially with regards to
shifting and durability. So we have a team working
on that right now. We have a team of six people moving forwards with this project. And as we develop and
solve those problems, then we can look towards
the future of production. – That’s fantastic. So, how exactly does this compare to a conventional chain system? What is the difference? – Yeah, so a fully optimized
chain system can reach a level of about 98 to 98.5%
efficiency at its best. And testing of this
shows that we can reach efficiency of about 99.2% at its best. – [Catherine] That’s a
pretty big difference, really, on that scale, isn’t it? – Yeah, it’s a big difference, especially when you’re
talking about marginal gains and small seconds in racing. Any difference that we can
find is what we’re going for, and as it becomes harder and
harder to improve a chain, you have to look in other
ways to make a faster bike. – That’s certainly what you’ve done here, thank you very much,
that’s really exciting. And now for something totally different, number three on our
hottest tech list, is this. It’s Winged Victory, from Porter Cycles, or Tom, the builder that we have here. Now, when we last looked at the bike it was whilst it was being judged, so we didn’t actually see that Tom has won best new builder award. How does that feel? – I honestly can’t say how exciting it is to have a group of peers,
like, look at my work and think that I’m doing
something of value, that is like worthy of being called best of the new builders. – So I understand that you haven’t been making bicycles for that long, but you’re a professional metal worker by trade, is that right? – That is true. – So, how does making bikes differ to other projects that
you’ve had in the past? – I think that the stuff that I do for fabrication work is very much based on somebody having a need, and
me being able to fill it. And they have a design,
they have a budget, and um, it might be going in a restaurant, it might be to display
art work or a prototype. And when it comes to the bicycles, it’s really more my own
vision and what I want to do and putting something
that I consider completely just a beautiful object into the world that’s functional for
somebody else’s life. So in a sense, the difference is that somebody else is asking me to
make something in one case, and somebody else is asking
me to share something that I want to put out in the
world with them, in the other. – This is an incredible piece of art, as well as a functional bicycle. What would be your top
two, top three parts of it, if you could narrow it down that much? – It’s tough to say, but I think the obvious
answer would be the lugs. They’re all fabricated from scratch, out of straight gauge 41-30 steel tubing, they’re smoothed out and then drawn over and then cut out to be
these winged patterns. The lugs are really
important to me on this bike. I think the rack has gotten an
amazing amount of reactions. It’s an art-deco design,
sort of fountain motif that I sort of stumbled upon and realized actually in the end how art-deco inspired it really was to begin with. And then the chain guard
became sort of a focal point. I spent three days
basically drawing different art-deco designs and trying
to come up with something that would work as a chain guard, which is a detail I’d never done before. And, I sort of, after a
few days of drawing them, my brain just sort of broke,
and I found this pattern. And then I spent another
day drawing this pattern, and to me it’s one of the
stand out elements of the bike. – So it’s taken you two
months to build this bike. What’s next? – I dedicated two months to this bike, and that was this past summer. And since then it has been an effort to make a series of new bikes for
a group of different clients, and develop a touring bike
for myself so that I can basically bike home from here
in Sacramento, California, to Brooklyn, New York after the show. – Fantastic, well enjoy your ride home. – Thank you so much, thanks for having me. – Since we are in Majorca, we’ve chosen to make
it easy for ourselves. We’re gonna do our
favorite bits of the show, which means we’re going to start with screw riding upgrades, buy upgrades. If you want to be in
with a chance of winning the amazing apron that Oli bangs
on about every single week. – Oh he does. – In the office, then don’t forget to use the uploader tool and log them into the screw riding upgrades, buy upgrades. – But first Chris, we need to
announce last week’s winner. And it was between Johnny’s
custom physique, first, and then it was against Chris’s bargain bike, from Australia. And with 55% of the votes, it was Chris’, and look at that. – Right then, this week we
have Ken from San Francisco, with his light speed classic. Ken always wanted a light
speed when he was younger, but he couldn’t afford one. I know that feeling. Fast forward to three years ago, and Ken bought his frame off Ebay, it had Cam-P10 speed,
but terrible components, otherwise, Ken wanted to
have a faux vintage bike, and the upgrade got
out of hand, oh blimey. Keeping it retro, Ken got some Campag
Record 10 speed ti carbon, nice.
– Ooh, lovely. Including a full ti cassette, blimey. Down tube shifters are index, using the internals from
a Cam-PTT shifter, clever. Break levers are hard to
find carbon ones, yep. Campy ti seat post, they’re rare. And look at the quill
stem, ooh my goodness. – And lets see it. – Yes. That does look good, doesn’t it? – And there it is, now. – Blimey, I like the paint scheme on that. – Oh, lovely, what are those wheels? – Campagnolo’s, yeah. Toe straps as well, I see it. – 10 times better bars. To be fair, fantastic job. – That’s gonna be hard, isn’t it? – That’s gonna be hard to beat. But Ken is up against Robert, from Poole in Dorset, in the UK, which is actually a really
nice part of the world. Robert bought a single
speed to use as a commuter. It was on one with deep
rims, on spongy breaks and bulled bars, and Robert thought it was a prime candidate for an upgrade. First thing was the paint, stripped back, rubbed down and resprayed
in Robert’s garage. A deep red base coat was applied first. That was followed by
a few hours of masking and then several coats
of metallic silver paint. Robert decided to rebrand
it with Trek logos, as their other bikes are,
an Emonda and a Domane. So, it had to match. The old chain was replaced
with a Sturmey-Archer one. – Archer. – The old chain was replaced
with a Sturmey-Archer one, the bars and stems
swapped for custom items, and a single break replaced
with a pair of old 105s Robert had kicking about in a box. A set of EC94 carbon forks were
added to shave over a kilo. And then, to finish off, were
a set of hand made wheels. – Ooh, Robert that does look cool. I like the paint job. – Look at that. – Its a transformation, isn’t it? – He’s done well there with
that red and silver paint job. – Which one do you reckon you’d choose? – Well that’s a difficult
one, and to be honest, it’s not up to us, it’s up to you. And you can vote in the poll, which is just up in the
top left of our screen. Top left for you, top right… Yeah. – Your top right, our top left. – You get the idea. – Time now for bike of the week. But first off, we need to go
through last weeks contenders. – Yes we do. – It was between Annami from
Flowtone and her Scott Foil, and Nika Roach’s Cervelo R5. It was quite close actually, in the end, 57% of you went for Annami
from Flowtown’s Scott Foil. – Good choice to be fair, good choice. I did like the look of
that bike, its cool. But this week it’s between the new Giant Propel of Greg Van Avermaet. Gold, of course, to celebrate his victory in the Rio Olympics. Shimano Dura-Ace group
set including disc brakes and a pair of Overachieve
wheels, and Vittoria tires. – [Chris] Nice. – [James] It’s up against
another Olympic champ’s bike. This one, a Pinarello track bike, belonging to Elia Viviani. A pair of Dura-Ace 9000
road cranks on there too, with a single. I love how it’s been
made to suit him as well because yeah it does look good. But who’s it gonna be, Greg or Elia? – Ooh, they’re interesting choices. – Yeah, they’re good. I don’t know.
– I’m torn. Yeah I don’t know what I’m– – They’re quite different bikes. Anyway, you know what to do. Top right of your screen right now. – Right, now it is time
for your bike vault. – It is. – But we’ve got a bit of a problem. – Yeah we do, we have
no bell here in Majorca, so instead we’re gonna raise
a glass and have a sip. – But we’re not allowed to chime it until we give a super nice. – I like that rule, it’s good. Right then, let’s get stuck in. Daniel from Cape Town, South Africa. Ooh, a prototype Volk, made from engineered ash and beech, Dura-Ace piece to group
set and a Brooks saddle. My goodness. – [James] I have to say,
that is a work of art and deserves to be in a museum. – It does, doesn’t it? Or an art gallery. That is insane. – That’s definitely a super nice. – I don’t think I’ve ever
seen anything like that. – There you go. – Right, next up is Dave
from Rochester, New York. – [James] With a Wilier Cento1 SL. While out on a ride Dave was
passing these Belgian horses and rushed to set up the bike to take a pic with them in the background, and when he turned around they had all lined up there at the fence. Either they loved the bike,
they thought he had food, or they were photo-bombing him. – I love how one’s mooning him. Hey come on, we’re in Majorca. – Super nice? – Super nice. – Super nice. – It’s a good drinking
game this, I like it. Right, next up we have Arno from Berlin, with his Benotto Modello 5000. – [James] Very nice. – [Chris] Yeah. – [James] I love the tan wall tires. – Yeah. I love the classic lines of the frame. I love the chromed fork and seat post. But I love the modern groove set as well. That’s quite a good
spin on a retro classic. This ticks quite a few
boxes for me, James. – You. – Yeah. – Alright, let’s give it a super nice. – Oh yeah. Right then, moving on to
Andrew in Cap de Formentor. – Yeah, in Majorca, which is
not far away from us, is it? We actually went there not long ago. – I have a feeling how
this one’s gonna go. – [James] Oh! And it’s Celeste. – [Chris] It’s sunnier
there than it was here. – [James] Bianchi, Zipp
wheels, look at that. Vision aero cockpit. – [Chris] Ultegra group set. – [James] Nice. – [Chris] A light on the
back, Vision handle bars. – [James] And that backdrop is just insane.
– Well framed isn’t it? – [Chris] Are you feeling it? I’m feeling it.
– I’m feeling it. – Now we’ve got one from
Todd in Boulder, Colorado. Amazing place, to be fair. Have you been there? – I’ve not, but I nearly did. Is that the same? Don’t think it counts does it? – [James] No. Look at that! Look at that paint job. – [Chris] Yeah. – [James] What is that? Is it Olivetti? – [Chris] Well, it’s um, the green rocket Olivetti. – [James] It’s 195 centimeters tall. The gravel traveler. – [Chris] Yeah. – [James] And it’s
called the green rocket. And I can see why, look at that. – [Chris] 50 mil tires on it. Full length mud guards, which means you’re not gonna get dirty. Stem and seat post match. – [James] And he’s obviously taken that with a good camera ’cause– – Todd, you know what,
that is a cool bike, and it’s super nice from us. – And we’ve finished that
off well, haven’t we? We haven’t finished our glass
but we’re getting there. Thanks to all of you who have sent in some really amazing bikes, and yeah look, we’ve given super nice
to every bike there. – It’s a good bike vault this week. – It’s a good bike vault. – If you want to have your bike
featured in the bike vault, don’t forget to use the uploader tool, which is in the description below. – So there you have it, we have come to the end of this week’s Tech Show, and Chris and I have very much
enjoyed bringing it to you. – It’s been a good one hasn’t it? – From Majorca, yeah. It’s been lovely. – What a place.
– I’ve enjoyed it. – And if you did enjoy this
video as much as we did, then give it a big thumbs up. – Maybe raise a glass? – Yeah raise a glass, yeah. And if you wanna watch another tech video, why don’t you check that one down there. – Oh I like that one. – Shall we go for a swim? – Nah it looks too cold. – Yeah it does look pretty cold. That’s why I’m wearing
my hat to be honest.

100 thoughts on “The Best Aero Upgrades For Your Money? | GCN Tech Show Ep. 64

  1. If the angle of your back is basically upright and your hands are on the tops, you're just setting your money on fire

  2. when the "biggest change in cycling for the last 30 years" is talked about for literally a minute, haha. I think it's just a marketing ploy from Trek.

  3. Hi, how do I get in touch about claiming the apron for my bike's success in last week's buy upgrades result? It was the pinarello shown two weeks ago and announced last week. Thanks!!

  4. Hi John. Will SRAM Force22 brake calipers fit on Trek Domane AL3 2018 model. I’ve read SRAM only do short reach calipers and I’m struggling to make the rear caliper work. I struggled with the front but I got it lined up and working. Rear just won’t play ball. Is there any hack I can do? Thanks. Love the show. John

  5. With the wine involved I think I could have sent in a rusty tricycle with a wheel missing and gotten a super nice

  6. Question CFD tech is not new, so how can aerodynamics keep evolving? For example most aero frames have adopted very similar shapes b/c that is what maths suggest be done, where do we go from here? The laws of aerodynamics aren't changing so in theory there won't be any more improvements to come.

  7. The most cost effective aero purchase?
    Probably a yoga class to be honest…

    Having the added flexibility to put your body in an aero position and be comfortable there, is going to be a better benefit than ANY amount of $ on hardware.

  8. That propshaft drivetrain bike simply wont work outside demo videos. As soon as you put some real power through it the radial load will deflect the shaft and it will skip. Look at the number of teeth your chain are in contact with on your cassette and it can still slip when worn. You can’t transmit that effort through one tiny ball bearing in contact with one tooth. The issues before production he is referring to are called basic engineering principles, this design is in breach of them and you will never see this in production.

  9. James: And next up, someone has sent in a picture of their chicken. It's just a live chicken.
    Chris: Well, we're in Mallorca…
    Both: Super nice! (clink glasses) (drink)

  10. 9:27 So the ceramic speed drive system is less than 1% more efficient than a well kept chain system. Doesn't sound like much to me.

  11. So you bring up aero, with the importance of clothing / kit, and straight after we see new Rapha shoes that definitely have very bad aero properties because of a useless velcron strap on the front.

  12. Racers were initially claiming disc rotors on road bikes made crashes more dangerous. They definitely should not look at that Ceramic Speed cassette… YOWCH!!!

  13. Both bikes in ‘buy upgrades’ are worse than when they started. I can not comprehend why anyone would respray an already decent enough looking Litespeed to Rothmans or whatever it is. The On One to Trek is bad too, okay the On One isn’t a looker but it is an honest beater and a legit brand and the Trek doesn’t look like a Trek that has ever been made and the logo is tiny and in wrong place. Why!?!? Why bother!? For a dodgy pretend mass market bike? Why!? I feel like I’ve been taking crazy pills.

  14. These bicyclists will benefit from the new Trek technology announcement as they make the transformation into pure energy.

  15. As someone who still rides a mid -'80's Benotto 850 (that's still all original), that Benotto 5000 is SWWWWEEEEETTTTTT!!!! I have been seriously considering some upgrades not too dissimilar to that one….Very cool!!!

  16. Since a toast and a sip was required for top marks, Chris and Hank could have reviewed a series of rusty old Schwinn bikes and awarded them all super nice. Enjoy Majorca and the vino boys!

  17. Am I the only one thinking that van Avermaet is kinda cheating by getting custom bikes for 4 years, whereas world champion for example is getting that for only one year (both essentially for one race win)?

  18. Great show guys and Super Nice Vault, keep drinkin' 🙂 Jon, Trek lies, that's the biggest flop in 30 yrs of cycling, where's the VA Tech report, what a disappointment, Keep up the fantastic work and welcome back Jon.

  19. Put the wave cell tech helmet on before you see the price tag, so you won't hit your head when you hit the floor. Ca-ching!

  20. Don't let Lloydy do this version of Bike Vault. "A stick with 2 wheels stolen off a shopping trolley tied on with elastic? I'm inventing a new category called "Super-duper-uber-mega-nice" for this one."

  21. This year I do a stage event again that includes a TT. Should I use my competition bike (Canyon Ultimate, Disc, normal profile wheels, carbon ) on which I’m usually faster or my training bike (alu, deep section wheels) where I can fit TT clips to go lower even if it’s heavier? Can’t do that on the Ultimate due to the bar / stem combination #askgcn

  22. God Ollie mate you have a long hair that hasn’t gelled in your fringe and that entire video could see it bobbing around like si in the bad habits video

  23. Both the Screw Riding Upgrades bikes were better BEFORE their facelifts. That Lightspeed, in particular, was great. Downtube shifters, toeclips and a cigarette company's logos are not my idea of improving an already great bike.

  24. Thanks for the mention fellas. (around 19:19) That's Todd's Gravel Traveler that travelled with me from Boulder to NAHBS back to Boulder. Ollie @DarkMatterFinishing did the full Candy Organic Green paint through out with Gold accents. Its great to see this one rolling out in the home town. Though it will live in Arizona as well quite a bit. Thanks again! Cheers Pete O.

  25. Congrats with this format, this reporting style with different locations and presenters it’s awesome

  26. My commute is 10 miles(16km) and is mostly flat (only 100m of elevation). I only ride an average 11mph (18kph). Should I focus on rolling resistance and training, followed by aerodynamics? I feel considerably slower with a headwind though, but it sounds like my speed is slow enough it shouldn't matter

  27. The aerodynamic discussion was fabulous. I was racing when aero bikes didn't exist. We learned and were taught to make ourselves aerodynamic. I am 63 years old and when I have ridden with cyclists half my age they all get irritated when I coast past them down hill when the are running out of spin. Being fast requires more than just a fancy bike, it requires skill.

  28. 3T advertises that their rims are 'hooked' and therefor safer then hookless. Could you maybe do a video about the pros and cons of hookless design in rims.

  29. I still don't get why anyone would think the ceramic speed drivetrain is in any way worth a second thought.

  30. How much longer are we going to waste time looking at Ceramic Speed's drive train? It's been knocking around for well over a year, still isn't durable and STILL doesn't shift!
    From what I've seen, the 'massive response' from the public was mostly ridicule!

  31. Does anyone else think that the new Ceramic Speed chainset replacement looks really dangerous? The cassette at the back looks like it could tear you to shreds… it's almost like the 'things' that the badguys had on their cars in James Bond films

  32. Tires can well be an aerodynamic upgrade. Some people say they are more important than the rims aerodynamically.

  33. Those Rapha shoes is like everything from Rapha TO LOOK GOOD ON YOUR BIKE EVEN IF YOU RIDE NAKAMURA FOR 300€£$,also whot the [email protected]#€ want to have laces from his basketball high tops, Giro did much more simple solution, but Rapha is mostly for hipster cyclists,btw I have couple of Rapha jerseys, jackets and bib shorts but just from classic collection and I rather stay on GORE,ASSOS and Castelli then TO buy Rapha ever again. Shoes are copy of couple of other brands, especially retro look shoes like Giro empire ACC which I ride just empire ACC, from the old version to flyknit.
    GCN love your show and lots of times I use your advice, thanx and keep doing great job.

  34. I like the aero take away from the expert: if you're riding at less than 20mph, nothing you do to improve aero, be it on yourself or on the bike, will make a difference.
    However, that's not to say that your entire budget should be spent on reducing weight. Even for short periods of high speed riding (downhills), the improvement in aero side far outweighs any improvements in the weight side.

  35. Was a week for warm hats, arm and even leg warmers…typical week before and week after much better. Oh well, have to go back later in the year

  36. So a chain ( invented in 1880 140 years ago ) is 98% efficient and the "million pound " ceramic speed outfit is 99.? % . The reporter says wow thats a a big improvement. I did 6th Form Maths and that is NOT a big improvement . It would be barely noticeable .So much bollics .

  37. Hi guys, i have got a 2.000 € budget and i have a really nightmare doubt. Should i buy a carbon bike with 105, or alloy with Ultegra? Both with disc brakes. Thank you very much and apologies for my english.

  38. When they trotted out the Ceramicspeed drivetrain again, i scrolled down to see what year this vid was from. Didn't we see this about a year ago? And we still haven't seen anyone ride even a singlespeed prototype…

  39. Much like the clacking of the glasses much more. After all, these phenomenal bicycles that these cyclists send in are worth celebrating 🥳…cheers

  40. I cringed hearing the about the phony ceramic speed drive-train prototype..
    that thing is so ridiculous, it has generated even more hate for the CS vapour-peddlers..
    The "drive train" is just pure PR and hype… ask a mechanical engineer… it will never last more than a few minutes in the real world with a real human pedaling hard on top of it…
    please GCN. stop hyping Ceramic Speeds vaporware

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