Motor Type:TSDZ2 mid drive motor kitName:TSDZ2 Motor Engine Ebike KitApplication:Mountain Bike,City Bicycle,Snow Bike,Sand BikeModel:36V/48V /KIT-TSDZ2-APacking Weight:5.4KGLCD Display:VLCD5&XH18&VLCD6 For optionChain Wheel:42TFeature:Mid DriveBB Size:68-73mm