Jagwire mini tube tops brake cablethe brake cable mini tube tops from jagwire install onto the brake cables during installation and can be slid up and down the length of the housing to protect the frames finish from unsightly scratches and rub marks they are made from a soft lightweight silicone so they wont add much weight features material silicone fits 4 5mm housing protects frame from scratchesbuy jagwire components from chain reaction cycles the worlds largest online bike store