CNC Machined Bike Rear Mech Derailleur Gear Hanger Extender 8 12 Speed Fit
1 x Rear Derailleur Hanger. Process: CNC for precision machining with aluminum alloy anode color screw. Fit: 8-12 speed Cassette,the maximum can be 50T Cassette. Made of high quality material, and practical to use.