GOLDIX Ultralight Bicycle Cassette Freewheel Carbon Steel Material 9/10/11/12/13 Speed HG Structure Sprocket for Mountain Bike

We also have a silver version, click on the picture to view and purchaseBrand: GOLDIXColor: All Black colorProcess: Phosphating treatment (wear resistance, corrosion resistance)Structure: for SHIMNO HG (SHIMNO HyperGlide)Material: Carbon steel materialType: suitable for mountain bikeModels:We have the following models:9Speed : 11T-40T / 11T-42T10Speed : 11T-40T / 11T-42T / 11T-46T / 11T-48T  /11T-50T11Speed: 11T-40T / 11T-42T / 11T-46T / 11T-48T  / 11T-50T / 11T-52T12Speed: 11T-39T /11T-40T / 11T-42T / 11T-46T / 11T-48T /11T-50T / 11T-52T13Speed: 11T-46T / 11T-48T / 11T-50T / 11T-52TSpecial reminder:This bicycle freewheel serves the SHIMNO 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 !!!