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Carbon Tubulars and Brake Pads

Old 07-15-07, 08:00 PM
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ronbridal
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Carbon Tubulars and Brake Pads

eI train on aluminum clinchers. (Bontrager Race X-Lits)

I use aluminum clinchers for most races. (American Classic 420)

I just picked up a set of Reynolds Stratus carbon tubulars to use for some races.

I have Shimano Dura Ace brake calipers with standard Dura Ace brake pads.

Question: What should I do about the brake pads when I switch between the different sets of wheels?

For those with experience . . . please answer this question for me. Thanks!

Ron
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Old 07-15-07, 08:27 PM
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Side the brake pad out of the holder, slide in carbon specific pads. It's a 2 minute job.
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Old 07-15-07, 08:36 PM
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What carbon pad do you recommend?
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Old 07-15-07, 08:37 PM
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I have zipp's, koolstop's, and swisstops but the first 2 are in their boxes, I'm still on my swissstops and they stop almost as good as regular pads on aluminium wheels, when dry.
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Old 07-15-07, 08:51 PM
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Kool Stop Carbon pads work well. They are the same (or very similar) as Zipps but a lot cheaper. Works better than cork.
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Old 07-15-07, 09:09 PM
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Originally Posted by nitropowered
Kool Stop Carbon pads work well. They are the same (or very similar) as Zipps but a lot cheaper. Works better than cork.
Do I need to switch them when I alternate between carbon and aluminum rim wheels?
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Old 07-15-07, 09:14 PM
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Originally Posted by ronbridal
Do I need to switch them when I alternate between carbon and aluminum rim wheels?
yes by all means
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Old 07-15-07, 09:15 PM
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Yes. Keep carbon pads for carbon. Keep separate pads for Aluminum. This keeps the aluminum bits from grinding your expensive carbon wheels into expensive carbon shards.
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Old 07-15-07, 10:41 PM
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Pads that have touched aluminum rims shouldn't be used on carbon fiber rims. It's easy n' quick to swap them. Store them in a ziploc baggie when making the switch to ensure nothing gets lost.
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Old 07-16-07, 07:35 AM
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Didn't I just make a thread on this exact same subject?
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Old 07-16-07, 08:18 AM
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If you want to be safe, switch brake pads each time.

Zipp however doesn't think it's necessary.

The risk of not changing pads is small Al shards grind down the CF braking surfaces.

However, IMHO, it's pretty easy to see if there's any Al on the pad sufficient to damage the rims, and if there were, you'd hear it pretty quickly.

Personally, I don't change pads, but I also don't lubricate my speedplay cleats, or clean my chain each ride, etc.
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Old 07-16-07, 09:16 AM
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Originally Posted by bdcheung
Didn't I just make a thread on this exact same subject?
I searched. Didn't find it. Thanks for your help.
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Old 07-16-07, 01:26 PM
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I thought is was a heat issue not a contamination issue.
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Old 07-16-07, 02:21 PM
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Originally Posted by bdcheung
Didn't I just make a thread on this exact same subject?
Yes.
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Old 07-16-07, 02:39 PM
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Originally Posted by curiouskid55
I thought is was a heat issue not a contamination issue.
Heat's not a problem if you go with pads designed for carbon rims. The pads designed for CF will work fine with Al. (atleast the Zipp/ Koolstop pads; I don't know if cork works on Al) The issue becomes switching back after using them on Al.
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