Features1 MATERIAL: The bicycle freewheel chain kit is made of high quality steel, it is robust, corrosion resistant and has a long service life. 2WELL MADE: High accuracy internal thread, ensure tight connection with bicycle hub, stable operation. 3HIGH QUALITY: The bike freewheel kit is made of high quality forging process for hardness and no deformation. Provides maximum power transmission and long life. 4WIDELY USED: The bike freewheel kit is suitable for converting bikes, go karts, beach bikes, mini scooters etc. 5EASY TO INSTALL: Freewheel lightweight and compact. Easy to be removed or installed by freewheel tools.SpecificationItem Type:BikeFreewheelKitMaterial: Steel16 Tooth Flywheel Size: Inside Diameter: Approx. 35mm/1.4inOuter Diameter: Approx. 70mm/2.8inFlywheel Tooth Number: 16Package List1 x Flywheel1 x Sprocket1 x Chain