MAHLE SmartBike Systems X20 Gen 1 Freewheel Set - Shimano Microspline Steel CheckoutSpec= ONE70 and Spin Doctor 2 hubs

and Spin Doctor 2 hubs

Proprietary plastic non drive side hub guard Rear Axle 14mm Threaded x 110mm Cassette Body Type Single Cog Driver Wheel Size 20" Defined Color Black ISO Diameter 406 / 20" BMX Tire Type Clincher Hub/Brake Compatibility Rim Brake Valve Schrader Hub Orientation RHD

Specially formulated with-out fillers to keep these garments functioning properly

With an all-new versatile 35mm capable mount that's designed for over and under handlebar mounting the Velocity Pro gives the most customizable and illuminating performance on every ride

MAHLE SmartBike Systems X20 Gen 1 Freewheel Set - Shimano Microspline Steel CheckoutSpec= ONE70 and Spin Doctor 2 hubsReplacement freehub bodies for Mahle X20 ebike motors. Mounting nuts included Cassette Body Type Shimano Microspline Material Steel