MTB 12 Speed 9-50T Bike Cassette Sprocket 12s CNC Bicycle Freewheel For Sram XD
MTB 12 Speed 9-50T Bike Cassette For Sram XD Sprocket 12s CNC Bicycle Freewheel. Mountain Bike Freewheel. Material : High strength steel (9-42T) and 7075 Alloy(50T). RYET MTB 12 Speed 9-50T L XD Cassette Black.