Welcome to karasawa China. Long history on brake system parts,High performance with good price for you!!! 1) To be used:20-30km/h; 2) Brake size110mm; screw by both english and Metric; 3) Surface treatment: BL/ SIL/CP/COLOR;4) Packing size &weight: 410x300x150mm 20set/ctn/21.0kgs;5) MOQ:1000set per lot;6)Delivery: we have office in shanghai and ningbo and many site in China so we can delivery on timeAluminum die-casting brake for scooter/e-bike used; BSZ090.ISO9001/9002:2008;ISO14001:2004 Approved; From Japan technologyHere we mainly supply the brake system parts for cycle: bicycle brake lever,bicycle brake cable,caliper brake,V-brake sets,band brake for bicycle,servo brake for bicycle or electric bike,and Expand servo brake for tri-cycle,scooter,lock brake for electric bike,electric scooter...