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Disc brakes on road bikes...why?

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Disc brakes on road bikes...why?

Old 09-24-08, 11:28 PM
  #76  
markhr
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Originally Posted by fuhrermatt
OK, there are some obvious misunderstandings here... safety.

The reasons that you can't have disc brakes in cross is the same reason you can't in road. Those things get really friggin' hot, and they are already sharp has hell. It's like a little circular light-saber screaming murder me in every crash that could happen. We won't see them on racing bikes until they are safe, which probably will never happen.

Edit: Another thought... You can only get so much braking power on a .5" wide tire. You could put some 13" brembo's and you still are limited by smaller tire area...
Incorrect

The UCI has made no decision regarding DB legality for CX racing therefore DB may not be used. It has nothing lto do with your personal "safety" prejudice. Can you say "overheated rims cause tyres to explode"?

Also, regarding your edit, please actually try DB before you make comments like that.
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Old 09-25-08, 01:33 AM
  #77  
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Originally Posted by markhr
Incorrect

The UCI has made no decision regarding DB legality for CX racing therefore DB may not be used. It has nothing lto do with your personal "safety" prejudice. Can you say "overheated rims cause tyres to explode"?

Also, regarding your edit, please actually try DB before you make comments like that.
ORLY?

UCI RULE 1.3.025
1.3.025 Freewheels, multiple gears and brakes are not permitted for use on the track during competition or
training. Disc brakes are forbidden in cyclo-cross training and competition.
(text modified on 1.09.04; 1.01.05).


Or if you would like to look it up.
https://www.uci.ch/Modules/BUILTIN/ge...FILE&id=34033&

And yes, it is a safety issue.

Last edited by bikeM3987; 09-25-08 at 01:36 AM.
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Old 09-25-08, 01:38 AM
  #78  
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meh, the outer chainring has serrated teeth that I've stabbed and cut myself with more than a few times.
the 10sp shimano stuff is extra sharp IMO.
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Old 09-25-08, 01:45 AM
  #79  
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Old 09-25-08, 06:22 AM
  #80  
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Make a bike under 6.8kg and with disc brakes so its braking all the rules.
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Old 09-25-08, 06:32 AM
  #81  
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Originally Posted by fuhrermatt
ORLY?

UCI RULE 1.3.025
1.3.025 Freewheels, multiple gears and brakes are not permitted for use on the track during competition or
training. Disc brakes are forbidden in cyclo-cross training and competition.
(text modified on 1.09.04; 1.01.05).


Or if you would like to look it up.
https://www.uci.ch/Modules/BUILTIN/ge...FILE&id=34033&

And yes, it is a safety issue.
Check your facts. Disc brakes are forbidden from CX because of the "new equipment is illegal until approved by the UCI" clause. That is, unsuprisingly the old farts in CH have decided that making no decision is the path of least resistance.
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Old 09-25-08, 07:49 AM
  #82  
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This thread is getting old...gotten, yes, it is old.
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Old 09-25-08, 01:11 PM
  #83  
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Originally Posted by markhr
Check your facts. Disc brakes are forbidden from CX because of the "new equipment is illegal until approved by the UCI" clause. That is, unsuprisingly the old farts in CH have decided that making no decision is the path of least resistance.
They have made a decision... they made them illegal. The rule is pretty explicit that they are banned. It's not an example of "illegal until proven otherwise so"
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Old 09-25-08, 01:40 PM
  #84  
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Originally Posted by croscoe
Well that didn't prevent the powers that be from switching from threaded headsets to threadless setups.
You're kidding, right?

I'm surprised this hasn't been answered in 4 pages.

The switch to threadless from threaded was actually to SOLVE a problem that DID exist:
Being able to change/swap out components much more easily:
-With threadless, you can switch the stem (yes, including flipping it) much more easily than you can a threaded... You can switch out the handlebars without removing the brake/shift levers or bar tape.
-Easier to change fork, headset... bearings.

Shall I keep going?

Threaded is still great - it still works just fine... but in terms of ease of use and ability to adjust, a system that is composed of modules - such as a threadless system - is far more advantageous than one with fewer components with fixed-parameters.
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Old 09-25-08, 01:53 PM
  #85  
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Originally Posted by prendrefeu
You're kidding, right?

I'm surprised this hasn't been answered in 4 pages.

The switch to threadless from threaded was actually to SOLVE a problem that DID exist:
Being able to change/swap out components much more easily:
-With threadless, you can switch the stem (yes, including flipping it) much more easily than you can a threaded... You can switch out the handlebars without removing the brake/shift levers or bar tape.
-Easier to change fork, headset... bearings.

Shall I keep going?

Threaded is still great - it still works just fine... but in terms of ease of use and ability to adjust, a system that is composed of modules - such as a threadless system - is far more advantageous than one with fewer components with fixed-parameters.
Or you can go the best of both worlds, removable faceplate threaded stems.

1. Adjustable height without tweaking the headset.
2. Swapping stem length is a breeze without taking out the handlebar shifters and brake lever.
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Old 09-25-08, 02:30 PM
  #86  
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Why do you need to brake again?
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Old 09-25-08, 02:44 PM
  #87  
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Drivetrain braking FTW.
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Old 09-25-08, 02:44 PM
  #88  
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some old cable to hydraulic conversions
https://tandem-fahren.de/Mitglieder/C...rakes.htm#disk
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