Old 04-14-14, 11:20 AM
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Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

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Probably, but I'd first want to know why it came off. CF isn't very resistant to the compression forces that QRs create. If the shim is thin, it's possible that the material below is compressing, while the shim can't causing shear stress where they join. Possibly a stouter shim that can better spread the load would work better.

This is just speculation because I don't have the parts in my hand, so you might want to phone or email the maker and ask if this is a common or isolated problem, what warranty might apply (if any), and how best to glue it back. Getting the straight dope from the maker (if they'll give it) beats whatever I could guess, working blind.
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