September 02, 2014 Login  


meanwhile on the road disc brake front
Last Post 06/04/2014 09:45 PM by Mike Shea. 58 Replies.
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Orange Crush

Posts:1163

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03/31/2014 10:21 PM
http://www.cyclingnews.com/news/uci-decision-on-legalizing-road-disc-brakes-expected-in-six-months

(I checked, posted March 31; not April 1) 
6ix

Posts:117

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04/01/2014 07:46 AM
I'm still not a fan but it looks like this is going to be pushed down our throats whether it's really worth the hassle or not. The road-specific disc calipers are starting to look a bit more svelte but still have a long way to go. Just look at them compared to a beautiful Dura-Ace caliper. Not even on the same playing field. They still look like they were from a mountain-bike and that's not good for a road bike.

Aesthetics aside, going to thru-axle will help a lot in reducing pad rub. There really needs to be a way to open up the pads if they are rubbing while riding just like on calipers.

The industry wants this to happen for a number of reasons. Obviously, it will help generate new bike sales but what isn't mentioned much is how the elimination of current quick-release wheels will greatly reduce legal liability issues.
Ride On

Posts:424

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04/01/2014 08:05 AM
On the pro side it's got a lot of negatives
- More weight
- Less Areo
- More difficult wheel change

The only thing it has going for it are on outliner days (steep decents and wet weather)

90% of the time it's a negative, 10% of the time it might be useful. Hardly seems like a good trade off
Cosmic Kid

Posts:1059

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04/01/2014 08:54 AM
If I was a pro, I would encourage all my competitors to ride 'em.....HUGE aero penalty.



I still think there is a big safety issue with these brakes in the road....if you go down and a bike w/ discs lands on you (or you on it), you may end up with a rotor brand on your leg. Those rotors get really not.
Just say "NO!" to WCP!!!!
Dale

Posts:469

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04/01/2014 09:13 AM
The fact that they can get blistering hot might be an advantage when you get cut open by the rotor and immediately get the gash cauterized.
longslowdistance

Posts:637

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04/01/2014 09:20 AM
Now, now. Give it a chance.
PS: What day is it today?
THE SKINNY

Posts:381

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04/01/2014 09:34 AM
i don't know why it's such a big deal. it's not like it's a requirement, just an option. personally i wish they all road the same bike, like the old IROC car racing series.
How we spend our days is, of course, how we spend our lives.
6ix

Posts:117

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04/01/2014 11:00 AM
The big issue is that the entire peloton will need to make the change all at the same time. If not, there will be tons of accidents as riders will be braking at different rates. Perhaps I'm wrong, but it's not really smart to drag a disc brake down a long hill but you can do this with a rim brake (within reason, of course.) But you can brake really, really late into a corner when using discs so that could cause massive pileups if everyone isn't on the same equipment.
ChinookPass

Posts:429

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04/01/2014 12:58 PM
I'm holding out for drum brakes or maybe some sort of jake brake on my racing bike. I guess the jake brake is a fixie!
Oldfart

Posts:461

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04/01/2014 01:18 PM
Posted By Evan Solida on 04/01/2014 11:00 AM
The big issue is that the entire peloton will need to make the change all at the same time. If not, there will be tons of accidents as riders will be braking at different rates. Perhaps I'm wrong, but it's not really smart to drag a disc brake down a long hill but you can do this with a rim brake (within reason, of course.) But you can brake really, really late into a corner when using discs so that could cause massive pileups if everyone isn't on the same equipment.

I don't know if dragging brakes will be an issue. I did a 40 minute decent on my mountain bike yesterday and was on the brakes most of the way. XT brakes, 180 front rotor and 160 rear. no finned pads but ice tech rotor. No fading.

I am not convinced that mixed rim and disc peleton would see crashes. Might be but I don't think the difference in braking between rim and disc on the road in the dry is that much different. I'll know in a while if Avid ever gets out their new hydraulic brakes for the cross bike I ordered last fall.
longslowdistance

Posts:637

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04/01/2014 01:27 PM
Avid hydros seem to be going away, either rebranded as SRAM or replaced. Given their terrible rep, this can be seen as a necessary move by SRAM.
Orange Crush

Posts:1163

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04/01/2014 01:40 PM
I don't think so much the issue is with mixed peleton riding with disc and road brakes from safety perspective.

It sounds like the issue is around having a single (ISO) standard for these brakes so that when it comes to wheel changeout, the neutral support can actually help out.

A single standard for something on a bike...imagine that.

But obviously some manufacturers are much further ahead than others so if they are all to work towards that standard than formal allowance of discs in peleton would be some ways out.
Ride On

Posts:424

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04/01/2014 02:43 PM
I see a beating for the mechanics. Another bike to keep up with.

It starts to rain , give me the disk brake bike.
Mountain top finish , give me the rim brake bike.

dude make up your freaking mind
Pin0Q0

Posts:229

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04/01/2014 03:11 PM
I think they are being considered as carbon rims totally SUCK in the wet, it’ll be much safer for the racers. I would imagine they will use on the rear wheel during wet months and not for TT. It would be optional either way so no need to get your bibs in a twist. Just like anything else the technology will revolve and eventually it will be smaller lighter and better. I say bring it.
ChinookPass

Posts:429

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04/01/2014 03:29 PM
smaller, lighter, safer? maybe
quieter? no

the only people that want this are the bike manufs and they are the ones underwriting a fair portion of pro bike racing at the moment. I agree with RideOn.
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