Our Price: $2.95
Item #US-DHB25BL: .Aluminum break-away rear derailleur pivot bolts to help prevent frame damage in crashes on the drive side of the bike. Especially valuable on aluminum frames without replaceable derailleur hanger. Comes in two lengths to fit most derailleurs: This one is the short unit, 25mm overall, 17mm unthreaded area where derailleur mounts. All accommodate 9.9mm shaft diameter, threading is M10 x 1 (Standard), no spring hole.