MTB Mountain Bike Road Bicycle Rear Hanger Derailleur Extension Extender for 40T 42T 46T 50T Cassette Red and Black

الوصف

Material: Aluminum alloyWeight: 11g/PcsProcess：Full CNC MadeFor：Rear Hanger Derailleur Extension,for 40T 42T 46T 50T Mountain Bike Cassette or 32T 36T Road Bicycle cassette.The derailleur hanger extension is a unique device that offsets the position of your road derailleur to make it possible to run a wide-range mountain bike style cassette. It is also great for riders with double chainring bikes that want lower gearing for those ultra steep climbs.Package Included:1 * extender