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Discussion Starter · #1 ·
I bought my Scott two years ago and recently noticed a rubbing noise which was traced to the rear brake and a very thin and flexible piece of plastic extending from the spring of the rear brake to the tire where it rubbed. Upon examination a bunch of fir needles had built up between the frame and the tire. While cleaning it out the piece of plastic it fell out and I can't see a reason to replace it nor can I figure out to replace this. Maybe it helps protect the brake from front wheel crap from getting into the brake.

I have searched for some kind of manual or installation documents of the 105 brake mounted on the chain stay and failed.

For now I am leaving it off but is there a reason for that plastic piece.

Thanks for any help in advance.
 

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I think what you have in the photo is a thin piece of plastic film almost like a piece of electrical tape. I have seen that on new brake calipers. I think it keeps the arms from coming into contact with each other when they box them for shipment I guess possibly to preventing them from marring the finish . I either take it off or it falls off on its own.
 
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