BAFANG Chainwheel and Chainring Guard 44T 46T 48T Ebike Motor Sprocket for BBS01 BBS02 Mid Drive Motor Conversion KitsMaterial: CNC Aluminium Alloy/CNCGet More Torque From your Bafand Mid DriveCompatible with Bafang MID Drives MotorBAFANG sprocket tooth T44, T46,T48Attention: there are two kinds of chainwheel(BBS and BBSHD Motor), please pay attention to the color name when you order it.BBS Chainwheel Core Data:★Suitability----Bafang Mid BBS Motor: MM G340★ Teeth Number----44T/46T/48T★ Chain Line----50★Thickness----3/32"★ Chain Wheel Material----SPCC★Guard Material----Plastic PPWarranty Agreement:All the products in Happyoutside store, the warranty time are all 1 years.We believe in strictly controlling the quality of products. But please rest assured, if you have any questions, please feel free to