SUNSHINE Bicycle Cassette MTB/Road Freewheel HyperGlide Sprocket 8/9/10/11/12 Speed Cassette Parts 32T/36T/40T/42T/46T/50T/52T *Brand: SUNSHINE–SZ *Color: Silver(11T–36T) / Silver+Black(11T–40T / 11T–42T / 11T–46T / 11T–50T / 11T–52T) *Process: Phosphating remedy (wear resistance, corrosion resistance) *Structure: SHIMANO HG (SHIMANO HyperGlide) *Material: Steel (36T,40T, 42T) / Steel + Aluminum Alloy (46T, 50T, 52T) *Type: suitable for mountain motorcycles *Models: We have the ensuing models: 8Speed : 11T–36T / 11T–40T / 11T–42T / 11T–46T 9Speed : 11T–36T / 11T–40T / 11T–42T / 11T–46T / 11T–50T 10Speed: 11T–36T / 11T–40T / 11T–42T / 11T–46T / 11T–50T 11Speed: 11T–40T / 11T–42T / 11T–46T / 11T–50T / 11T–52T 12Speed: 11T–40T / 11T–42T / 11T–46T / 11T–50T / 11T–52T Special reminder: This bicycle freewheel serves the SHIMANO HG constitution and can only be used for the HG bicycle hub body, now not for SRAM XD or MS (Micro spline) If you used for SRAM moving system, it's going to only be used for HG structure bicycle hub body, now not for XD constitution bicycle hub body !!! The video under is the product packaging method If you don't find the pinion, please test the packaging interlayer carefully, they are placed contained in the packaging interlayer Special reminder: If there may be a protracted tail hook icon on the SKU picture, it means that the model desires a tail hook extender, if there's no prolonged tail hook icon, the model would not need a tail hook extender