GOLDIX 11 40 42 cassette 9 speed Ultralight Mountain Bike Cassette For Shimano HG Structure Hollowed out 9-speed freewheel

GOLDIX Ultralight Mountain Bike CassetteColor: All Black colorProcess: Phosphating treatment (wear resistance, corrosion resistance)Structure: for SHIMANO HG (SHIMANO HyperGlide)Material: Carbon steel materialType: suitable for mountain bikeModels:We have the following models:9Speed : 11T-40T / 11T-42TSpecial reminder:This bicycle freewheel serves the SHIMANO HG structure and can only be used for the HG bicycle hub body, not for SRAM XD or MS (Micro spline)If you used for SRAM shifting system, it can only be used for HG structure bicycle hub body, not for XD structure bicycle hub body !!!