It seems that the theme nowadays is for a smooth, quiet sounding freehub. Unlike a year ago or so when pros were using some of the loudest freehub sounds I've ever heard. I still prefer it on the noisy side though myself.
6:08 I spoke with the guy from speedbar about aerodynamics in a TT, he explained if you divide the amount of resistance you experience in percentages wind resistance is more than 90% whereas mechanical resistance (drivetrain etc) is less than 3%, the mechanical resistance the pulley-wheel causes is a tiny fraction of that 3%. You could could cut that down by getting a large pulley-wheel from ceramic-speed, however this will result in more resistance in the end because the wind resistance will get bigger.
It's not that simple, it's turbulent air from the rider's legs/feet/cranks/pedals/chain/rear wheel/frame that's incident on the pulley wheels. And you also have a benefit of a larger crosssection on the larger pulley wheels that reduce's it's 'Cd'.
Most people might find it hard to believe that Ollie's PhD is in Chemistry, not Physics. The way that boy gloats and slobbers over aero tech, you can't blame them!
@@gcntech If there would be more TT events there would be more demand for such bikes. More demand may lead to bigger market and more affordable TT tech
Well other than shimano probably wants to sell all the 9200 they can rather than supply it to sponsor teams, they did not develop new TT shifters and brake levers, 9100 tt shifters and brake levers got an update to work with 12 speed. But you need to have that wired, and you need the new to old wire adapter. Those are more reasons to stick with 11 speed for flat course TT bikes.
Spent about 500 miles on it and so far so good. ua-cam.com/users/postUgkxMesz3KOGEmwmvyKQfLfrRSUXLFzfVHZA Pros:1. Very light2. Solid quality build3. Fast delivery: It arrived 5 weeks earlier than expected.4. Easy assemblyJust a few cons but nothing major:1. Cheap tin tubes and had flat on first day... but not a big deal. I replaced the tubes.2. Seat is a bit uncomfortable but that's pretty much the same situation with most bikes.3. Seat post is a bit long/high for a smaller size 48 bike - had to saw 2 inch off to fit properly. The lowest setting is too high. The post locking system does not seem to hold well (perhaps because I saw 2 inch off).4. wheels are not tubeless compatible (from what I can tell)
I run an OSPW with a 60T ring and I still have to take 2 links out of the chain on my Shiv TT disc (size med). I’m running an 11-32 cassette, so my biggest gear combo would need a longer chain than his 11-30
because an OSPW is less aero. The aero disadvantage is bigger than the reduced friction advantage. That's why you only see sponsored athletes and people with too much money and no brains using those.
It's hard to imagine that in 30 years time... this will be ancient technology - What will pros be riding in the future? Bikes made out of graphene? Automatic transmissions?
Ollie, your phone comes with an app to measure angles. Maybe there is even a measurement app by the UCI that flashes red and shows BANNED when the bars are 0.001 degrees off or a sock is one atom diameter too high.
Can somebody explain to me how they can still use the Shiv TT given it is no longer commercially available in any region which contravenes the UCI rules of commercial availability
Not sure what region you’re in, but it’s available here in South Africa. The frameset is listed on the SA Specialized website and dealers do have stock. So you’re incorrect in saying it’s not commercially available in any region.
@KartGuy76 nope, I'm talking about the shiv TT, the UCI legal TT bike - it has been totally unavailable in all sizes in Europe, US and Australia for at least 2022 and so far 2023. Its not that they are just sold out, the bikes arent even coming to dealers and the dealers cannot tell when or if they might see some supplied in the future. I admit that I haven't tried to find one in SA, Asia or S.America.....so if you do have them now in SA then you must be somehow "special", but it would really seem strange that they send them to these markets, but not to any other.
@@CG-99 TBH, these are not big sellers here. AFAIK, there was only 1 (or possibly 2) sold here. So it might even be that these are framesets that were marked for this market and just never sold.
If all the teams are doing their own wind tunnel tests for front wheels, why aren't there just one or two brands being used???? How can 22 teams come to 20-22 different conclusions about the best wheel to use?
@@the318pop Very good point, thanks for the insight, makes a lot more sense now when you mention it. I just wonder how different the forks must be then?
Remco's SL7 Saddle height: 71cm Remco's Shiv TT Saddle height: 70cm That's interesting since the general rule of thumb is it should be the other way around i.e saddle height on TT bike usually a bit higher than on the road bike.. 🤷🏻♂️ Intriguing 🤔
@@dicconhill5593 Thx captain obvious.. I was just wondering why they hide the only valve from the wind but keep 24nips outside and use straight pull hubs? To me as a non engenieer jbend lacing seem to cut better thru air.
Why dont they make a non sworks version of this frame - even as a complete bike. No wonder TTing is in such a mess - how can the grassroots grow when framesets are £5.5k!.
Check out this earlier vid. It shows the magnet and Si says it's a cadence sensor as this power meter doesn't have an accelerometer. The get power figures they multiply the stain gauge reading by cadence, similar to motorcycle horsepower is torque by rpm. ua-cam.com/video/okNpp5_E2-4/v-deo.html
Can somebody explain to me how they can still use the Shiv TT given it is no longer commercially available in any region which therefore contravenes the UCI rules of commercial availability
A bike that has been sold out was commercially available. The UCI only states it has to be on the market within 12 months after releasing the prototype, but it doesn't specify how long it has to stay on the market. There are plenty of bikes in UCI races that have been UCI-approved, but as they are older models, aren't available on the market anymore.
![Шоссейные велосипеды SPECIALIZED. Tarmac, Shiv, Diverge, Aethos, Roubaix и другие / ПРО [БРЕНДЫ]](http://i.ytimg.com/vi/wlx3G41707I/mqdefault.jpg)
![Шоссейные велосипеды SPECIALIZED. Tarmac, Shiv, Diverge, Aethos, Roubaix и другие / ПРО [БРЕНДЫ]](/img/tr.png)
What do you make of Remco’s S-Works Shiv TT? Let us know in the comments below! 👇
Put an ceramicspeed ospw
Always liked specialized Shiv,I don't think they feature enough tbh,although I do ride a Roubaix so I'm biased 😄
I really enjoy when they mention the bike measurements that the riders use such as saddle height, reach, setback, crank legnth so thanks ollie
Would be nice if every review of pro bikes had this
You're welcome!
Nice to see some specialized bikes on the channel 😎
That free hub was underwhelming 😂
It seems that the theme nowadays is for a smooth, quiet sounding freehub. Unlike a year ago or so when pros were using some of the loudest freehub sounds I've ever heard. I still prefer it on the noisy side though myself.
Me too!
I have hope Rs4s and there like a small chainsaw thats amplifiedby the 60mm prime black edition rims ! 🤣
Hahaha a loud hub is a real crowed splitter 😂
@GCN Tech I'm an anarchist what can I say! 🤣
6:08 I spoke with the guy from speedbar about aerodynamics in a TT, he explained if you divide the amount of resistance you experience in percentages wind resistance is more than 90% whereas mechanical resistance (drivetrain etc) is less than 3%, the mechanical resistance the pulley-wheel causes is a tiny fraction of that 3%. You could could cut that down by getting a large pulley-wheel from ceramic-speed, however this will result in more resistance in the end because the wind resistance will get bigger.
It's not that simple, it's turbulent air from the rider's legs/feet/cranks/pedals/chain/rear wheel/frame that's incident on the pulley wheels. And you also have a benefit of a larger crosssection on the larger pulley wheels that reduce's it's 'Cd'.
@@ollyole4560 still the cd is larger than without the large pulley wheel
@@bramvugtsthats the reason why they made a cage for the pulley wheel
@@sirclemeni1 ua-cam.com/video/HazBGDBv9KI/v-deo.html as said in this video, shimano thinks there is nothing to be gained, even with the cages
@@bramvugts fantastic. i always said that 700€ for a couple of watts saving is a total rip off. even better when there arent even any savings.
Most people might find it hard to believe that Ollie's PhD is in Chemistry, not Physics. The way that boy gloats and slobbers over aero tech, you can't blame them!
Maybe he'll do a second one. Can you get a PhD in aero gains?
@@gcntech anyone that does a PhD never wants to do another 🤣
I always though it was an act until I read he actually had a PhD lol.
Physics is the hardest PhD out there. But Ollie is a cyclist and loves to hurt himself.
@@gcntech should be aviable in sports sciences department if not in physics?
That front end is so neat
That's amazing, his crank length is the same as mine.
They you go! You've got something in common 🙌
Love Your enthusiasm Ollie
Thanks Ollie for this. I read that Remco’s CDA was 0.16- crazy.
the speedbars are delicious. i hope there will be more companies to offer really achievable aero bars in future
Do you TT is too expensive for most people to get into? 👀
@@gcntech If there would be more TT events there would be more demand for such bikes. More demand may lead to bigger market and more affordable TT tech
i adore the Shiv..
hey babe wake up,gcn just posted
Get that alarm set for 10am 😉
What a bike 🤘🏼
Something special right! 🙌
Sorry you lost your X-Ray vision Ollie. I see Remco is running the Sitero saddle. I use this and it’s fantastic!
You 🤝 Remco
Is it sitero or sitero plus?
@1:49 isn't it 0.17? Not 1.7? Not very CdA nerd of you Ollie ;)
We'll send him back to aero school
The Rainbow colours on the Roval wheel are simply the logo and colours for Specialized's OutRide Charitable organisation...
Is there a video on here that you guys uploaded about the custom tri bars? Would be an interesting watch
I love it😂😂
0:55 - I am afraid these whatchamacallits are not the tubes anymore... ;)
Well other than shimano probably wants to sell all the 9200 they can rather than supply it to sponsor teams, they did not develop new TT shifters and brake levers, 9100 tt shifters and brake levers got an update to work with 12 speed. But you need to have that wired, and you need the new to old wire adapter. Those are more reasons to stick with 11 speed for flat course TT bikes.
11 speed has better efficiency.
What's the tire width? Always one of the crucial parameters, but always ignored it seems.
For 7:52 minutes, GCN's most addicted aero junkie, goes OFF!
Did you expect anything else from Ollie? 😉
170mm compared to 70 cm seat height. Is that not on long side of the spectrum for such a short rider?
aren't theese glued on tubes tyres ( to puzzle it a bit more: glued on tube tyres can now use tubeless tech, previously they where latex tubes ) ?
i don't get the point why there aren't any official DA 12 speed groupsets for TT bikes yet? There only seem to be some workarounds existing
The most anticlimactic free hub sound check ever lol
Swear to god i thought i heard 'A sh*t aero TT' 😂... But then i listened more carefully...
What's with the big gap between the rear wheel and seat tube? Where's Hambini to ream it? Clean it up Specialized!
Thank you!
what is the brand of the chainring ?
Spent about 500 miles on it and so far so good. ua-cam.com/users/postUgkxMesz3KOGEmwmvyKQfLfrRSUXLFzfVHZA Pros:1. Very light2. Solid quality build3. Fast delivery: It arrived 5 weeks earlier than expected.4. Easy assemblyJust a few cons but nothing major:1. Cheap tin tubes and had flat on first day... but not a big deal. I replaced the tubes.2. Seat is a bit uncomfortable but that's pretty much the same situation with most bikes.3. Seat post is a bit long/high for a smaller size 48 bike - had to saw 2 inch off to fit properly. The lowest setting is too high. The post locking system does not seem to hold well (perhaps because I saw 2 inch off).4. wheels are not tubeless compatible (from what I can tell)
When is the new shiv coming out
I think there is no OSPW because with the dinner plate chainring the chain isn't long enough.
I run an OSPW with a 60T ring and I still have to take 2 links out of the chain on my Shiv TT disc (size med). I’m running an 11-32 cassette, so my biggest gear combo would need a longer chain than his 11-30
because an OSPW is less aero. The aero disadvantage is bigger than the reduced friction advantage. That's why you only see sponsored athletes and people with too much money and no brains using those.
The disapointement on ollie’s face when he sound checked the freehub!
Ollie listens to freehub noise to get him to sleep at night
@@gcntech 😀
Man, Ollie makes me laugh
does it have flat tire compactibility?😅
Just imagine how fast pogacar would be if he's not riding a colnago
It's hard to imagine that in 30 years time... this will be ancient technology - What will pros be riding in the future? Bikes made out of graphene? Automatic transmissions?
Insteresting how the rest of the team is stuck in old round extensions while remco is the one with the only one running custom
Ollie, your phone comes with an app to measure angles. Maybe there is even a measurement app by the UCI that flashes red and shows BANNED when the bars are 0.001 degrees off or a sock is one atom diameter too high.
Don't say it, the UCI will do it! 😳
@@gcntech Be careful. GTN might try to lure Ollie away because he can play with non-UCI-compliant aero stuff there.
I am a little surprised he is still using 170mm cranks.
What did you expect? That he went to 165mm?
Maybe thinked 175😁
@@paulbud6216 He would have to have super flexible hips for 175...
Did Ollie trade his x-ray vision for improved performance on the bike to drop pro bike riders?
To space between the seatube and rear tire is interesting. I doubt if its more aerodynamic than if they covered it up.
Yeah that space is bothering me. Wonder why is that
Apparently, beacuse it is lighter and there was no difference in aero. Bothers me too, it’s ugly
Can somebody explain to me how they can still use the Shiv TT given it is no longer commercially available in any region which contravenes the UCI rules of commercial availability
Not sure what region you’re in, but it’s available here in South Africa. The frameset is listed on the SA Specialized website and dealers do have stock. So you’re incorrect in saying it’s not commercially available in any region.
You’re not maybe confusing it with the Shiv Tri (triathlon version). Because that one has been discontinued.
@KartGuy76 nope, I'm talking about the shiv TT, the UCI legal TT bike - it has been totally unavailable in all sizes in Europe, US and Australia for at least 2022 and so far 2023. Its not that they are just sold out, the bikes arent even coming to dealers and the dealers cannot tell when or if they might see some supplied in the future. I admit that I haven't tried to find one in SA, Asia or S.America.....so if you do have them now in SA then you must be somehow "special", but it would really seem strange that they send them to these markets, but not to any other.
@@CG-99 TBH, these are not big sellers here. AFAIK, there was only 1 (or possibly 2) sold here. So it might even be that these are framesets that were marked for this market and just never sold.
why is the size of tyres?
Size of the frame?
The old shimano dura ace is 2-3 watts faster than the new 12-speed. Thats why they use it not because of a supply problem
2-3 watts ie nothing at all 😅
Curious where this data is from ?
@@jonathanz9889 It’s from visma leasabike
@@jonathanz9889they said the casset on 12s makes more turbulent air
If all the teams are doing their own wind tunnel tests for front wheels, why aren't there just one or two brands being used???? How can 22 teams come to 20-22 different conclusions about the best wheel to use?
Interesting point! We imagine that they work with the teams when in the wind tunel to help create the most aero wheels. 💨
Each wheel may suit a specific fork design. For instance a trispoke may not work as well when the spokes pass relatively close to the fork blades.
@@the318pop Very good point, thanks for the insight, makes a lot more sense now when you mention it. I just wonder how different the forks must be then?
Remco's SL7 Saddle height: 71cm
Remco's Shiv TT Saddle height: 70cm
That's interesting since the general rule of thumb is it should be the other way around i.e saddle height on TT bike usually a bit higher than on the road bike.. 🤷🏻♂️
Intriguing 🤔
why does the most aero wheel the aerocoach titan have the nips outside of the rim?
Because that's the way it's made.
@@dicconhill5593 Thx captain obvious..
I was just wondering why they hide the only valve from the wind but keep 24nips outside and use straight pull hubs?
To me as a non engenieer jbend lacing seem to cut better thru air.
@@ianiscaratti4924 You have spelled through incorrectly.
@@dicconhill5593 thx for the relevant discussion
@@ianiscaratti4924 You are welcome and I hope it was helpful.
I'm pretty sure those tires are tubulars?
rear maybe, but front...?
no there are no turbo cotton's in tubular or tubeless only clincher
They're using 11s because of the availability of chainrings
why are you yelling Ollie LOL 🤣
He's using a standard size pulley wheel system cause he's into aero. OSPW isn't aero
Only 60t ring? I guess that's big 🫢
Are the chainrings custom 2x? I didn’t catch ollie saying it
I like his gold version of it.... Yeah, I know this video came out long before he became the Olympic TT champion.... Just sayin'.
HED has an even deeper wheel that they developed for Ironman Kona where disc wheels aren't allowed
Isn't it just the rear? Wonder if someone has modded it for the front
Let's hope Ollie remembers to close his FLY, this time!
😳😬
8.24Kg......that seems very heavy to me. Do all those aero gains compensate for a bike that could be 1.0 to 1.5Kg lighter.? Hard to believe.
First haha, from the Philippines 🇵🇭
140mm front rotor on most TT bikes might explain why they all went arse over tit at the Vuelta opening 😂
Imagine how fast Remco Evenepoel could go on an aero-optimized TT frame. Lol.
When did Ollie lose his x-ray vision? He should get that ‘seen’ too… bwahhh
Hate to hear about your vision Ollie. Ive also lost some of my super powers as ive aged
Those bars look as though they need a reach around 😅😂
Why dont they make a non sworks version of this frame - even as a complete bike. No wonder TTing is in such a mess - how can the grassroots grow when framesets are £5.5k!.
cDA of 1.7.....? As aerodynamic as a snow plow.... lol #verbaltypo
Nope.. it's not a supply issue... DA9100 is lighter the 9200..
Why is Ollie shouting?
the mics are doing a good job of masking the wind
He very excite! Rightly so
He's very excited to drool over aero bikes
What is the weight of Ollies TT bike? Rare we get a weight on these speed machines, I like that aspect :-)
@@gcntech 🤣
Such an ugly bike. I think TT bikes went off the rails some years ago.
Is it just me or di Ollie have a strange accent going on during this????!
No, he's just from Yorkshire
Ollie is frothing... He sounds like he's had half a dozen froffies.
Is that an aero bar or are you just pleased to see me?
why are you screaming like that Ollie? you go a mic.
What is really annoying is that he doesn’t even have an aero ospw!?
because a standard shimano derailleur is more aero than any ospw.
Shimano just have to draw the line at some point.
Not applicable to 98.7% of GCN viewers
first?
Why does a power meter need a magnet?
Check out this earlier vid. It shows the magnet and Si says it's a cadence sensor as this power meter doesn't have an accelerometer. The get power figures they multiply the stain gauge reading by cadence, similar to motorcycle horsepower is torque by rpm.
ua-cam.com/video/okNpp5_E2-4/v-deo.html
@TheClemBook did you see the video dc rainmaker did on the shimano power meter? Basically it's a piece of shit that doesn't work
Can somebody explain to me how they can still use the Shiv TT given it is no longer commercially available in any region which therefore contravenes the UCI rules of commercial availability
A bike that has been sold out was commercially available. The UCI only states it has to be on the market within 12 months after releasing the prototype, but it doesn't specify how long it has to stay on the market. There are plenty of bikes in UCI races that have been UCI-approved, but as they are older models, aren't available on the market anymore.
To be fair the Shiv needs a refreshed version with threaded bottom bracket like on the Tarmac
@xGshikamaru very true. But I seriously doubt they will update anytime soon.