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Old 10-19-11, 12:27 PM   #1
RussellM
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Serrated washer on brakes?

OK, so on road bike brakes between the fork/frame and the brake there is this serrated washer. What is this for? Is it important? I lost the one for my front brake but installed the brake without it. I haven't had any problems but then if they supply it with the brake it must serve some purpose. Do I need to hunt down a replacement washer?

Last edited by RussellM; 10-19-11 at 01:50 PM.
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Old 10-19-11, 12:31 PM   #2
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It's to keep your calipers centered to your tire as bumps on the road or just bumping the brake cable housing going to the caliper can push it off center and result in your rim dragging on one of the pads....

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Old 10-19-11, 01:45 PM   #3
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brake
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Old 10-19-11, 01:49 PM   #4
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+1, spell check won't correct using the wrong word,
just help you correct it's spelling.

When a Brake, breaks, it's broken .

(edit) nice to see the correction ..

shake proof star washers are often used in mechanical assemblies.
there are inside star, outside , and even those that are both..
Note: spring steel, it may rust..

Last edited by fietsbob; 10-20-11 at 03:01 PM.
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Old 10-20-11, 06:06 AM   #5
Matt Gaunt
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Quote:
Originally Posted by RussellM View Post
OK, so on road bike brakes between the fork/frame and the brake there is this serrated washer. What is this for? Is it important? I lost the one for my front brake but installed the brake without it. I haven't had any problems but then if they supply it with the brake it must serve some purpose. Do I need to hunt down a replacement washer?
I would try to, but that's just me. If you're not having any problems then you will likely be fine. I had a major PITA with my rear brake slipping round (Ultegra on carbon) with no missing parts so count yourself lucky!
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Old 10-20-11, 02:46 PM   #6
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keeps the brake from moving. get another at the shop. free
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