Description:It is exclusively used in the road bicycle and fixed gear bike.With high quality， it is very durable and safe.Color:black/red/blue/green/silver.Material:Metal + Rubber.Specifications:It can be installed when the distance between the center of brake mounting holes and the edge of the brake rim is actually within 47-62MM.If the distance is too short or too long， it can not be installed.Package includes:1 x Bike Rear Brake