Features1 MATERIAL: Electric bike crankset adapter is made of aluminum alloy, sturdy, wear resistance, rust resistance, light weight, better stability and long service life. 2COMPATIBLE MODEL: Professional electric bike chainring crankset adapter, specially designed for bafang G320 1000W mid mount motor. Replace broken or old motor. 3WIDELY APPLICABLE: The bike chainring adapter can be adapted to a wide range of crankset sizes, bringing you a different riding experience. Easy to install and use. 4SUPERIOR PERFORMANCE: Professional bike chainring adapter as an electric bike accessory, it offers performance, versatility and compatibility. 5FINE WORKMANSHIP: Professional electric bike chainring adapter is made of fine workmanship, CNC fine machining to improve rust resistance and durability.SpecificationItem Type:ElectricBikeCranksetAdapterMaterial: Aluminium AlloyPackage List1 xElectricBikeCranksetAdapter