Kassett SunRace CSR91 9-speed nickel

Speeds: 9-SpeedType: Cassettte / 9-spline (will not fit hubs with thread)Compatible with SHIMANO/SRAMFunction: Super Fluid DriveNumber of Teeth (OPTIONAL): 11-25T OR 11-28TGear Combination(OPTIONAL): 11-12-13-15-17-19-21-23-25 OR 11-12-13-14-16-18-21-24-28Sprocket Material: SteelSprocket Finish: NickelLight Weight Holes: YESSpacer Material: Engineering PolymersLock Ring: Aluminum / Black AnodizedChain Compatibility: 9 SpeedWeight: 284 g (11-25T) / 264 g (11-28T)