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Differance between front and rear brake?

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Differance between front and rear brake?

Old 09-22-07, 01:54 PM
  #1  
schwinn
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Differance between front and rear brake?

I feel like there is no differance, however I just want to make sure. I'm picking up some 105s on EBAY, and all the listings are marked as front brake. I can pick up one for the rear, right?
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Old 09-22-07, 02:14 PM
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I believe there is a reach difference.

Edit: No, its the mounting post. the front post is long, to go through the fork, the rear is short to go thru the stay.
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Old 09-22-07, 02:32 PM
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big difference. rear's designed to have force push it into it's mounting point on the frame, the front's
designed to have braking force pull it away from the mounting point on the fork.
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Old 09-22-07, 02:32 PM
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usually the rear has a shorter bolt
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Old 09-22-07, 03:00 PM
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Originally Posted by cc700 View Post
big difference. rear's designed to have force push it into it's mounting point on the frame, the front's
designed to have braking force pull it away from the mounting point on the fork.
WTF?
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Old 09-22-07, 03:01 PM
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^My thought exactly.
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Old 09-22-07, 04:11 PM
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Originally Posted by cc700 View Post
big difference. rear's designed to have force push it into it's mounting point on the frame, the front's
designed to have braking force pull it away from the mounting point on the fork.
AFAIK this is totally wrong.

Schwinn, I recall hearing once that Problem Solvers makes kits to convert front brakes to rear---it's essentially a matter of swapping a long bolt for a short one. But it won't work as-is.
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Old 09-22-07, 04:29 PM
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some matched pairs of brakes are designed differently, like the campy skeletons and the super light TT brakes. but brakes that are the same body can be adapted to fit either way.
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Old 09-22-07, 05:30 PM
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Originally Posted by baxtefer View Post
WTF?
I think he was joking. True, the forces are applied in different directions, but that's not going to necessitate a change in brake design.

If I recall, the side that the cable enters the brake (at least on dual-pivot brakes) is different on front and rear brakes. This might cause some cable-routing problems, but I don't know for sure.
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Old 09-22-07, 05:55 PM
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Originally Posted by mander View Post
Schwinn, I recall hearing once that Problem Solvers makes kits to convert front brakes to rear---it's essentially a matter of swapping a long bolt for a short one. But it won't work as-is.
This problem solver kit is called a 6mm nut. They are available from the hardware store for about $.20. Your brake will not be recessed however.
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Old 09-22-07, 06:13 PM
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Originally Posted by Boss Moniker View Post
I think he was joking. True, the forces are applied in different directions, but that's not going to necessitate a change in brake design.

If I recall, the side that the cable enters the brake (at least on dual-pivot brakes) is different on front and rear brakes. This might cause some cable-routing problems, but I don't know for sure.
nope, same side
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Old 09-22-07, 06:14 PM
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While we're on this topic... how about V-brakes? They're front and rear specific, but I have no idea what the difference is. Anyone know?
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Old 09-22-07, 06:14 PM
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Originally Posted by Boss Moniker View Post
If I recall, the side that the cable enters the brake (at least on dual-pivot brakes) is different on front and rear brakes. This might cause some cable-routing problems, but I don't know for sure.
only because they face different directions..
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Old 09-22-07, 06:59 PM
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Originally Posted by trons View Post
only because they face different directions..
Yeah, if they were different then I could convert a rear dual pivot caliper to front and have something that would look a lot nicer with a right hand front brake setup. But no, they're exactly the same and I'm stuck with an awkward looking cable setup.
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Old 09-22-07, 07:56 PM
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Originally Posted by Tapeworm21 View Post
While we're on this topic... how about V-brakes? They're front and rear specific, but I have no idea what the difference is. Anyone know?

There should be no difference.
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Old 09-22-07, 08:42 PM
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Originally Posted by Tapeworm21 View Post
While we're on this topic... how about V-brakes? They're front and rear specific, but I have no idea what the difference is. Anyone know?
At least that's what they say on the box. The only diff is that the cartridge brake pads are mounted in reverse. You can buy two fronts or two rears....it makes no diff. Just remember to reverse one set of pads so they don't slip out in the direction of rim travel.
This also goes for using rear calipers on the front. Make sure the pads are oriented correctly.
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Old 09-22-07, 09:22 PM
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Originally Posted by baxtefer View Post
nope, same side
Ah yes, it appears you are correct. I just checked my bikes. Good, this makes much more sense.
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