I had to replace my clipons when i change my front brake set up.. so i have a staraight good pair of clipons for the 21 mat fit the 28 and 18 41mm fork legs, there is a little graze on one of then at the end but you cant really notice it, Id like £20 for the pair, if there is no offers ill stick em on ebay, im guessing postage in the uk will be £5 please respond here or pm me if intrested.