Features: Compatibility: Designed for MY1016Z, MY1016, MY1018, MY1020 motors, the bikes freewheel adapter set guarantees a seamless integration and a perfect fit for a wide range of popular electric bikes. Easy Installation: Featuring a user friendly design with included adapter and connector, the single speed freewheel is easy to install, catering to the needs of both professional bikes mechanics and passionate diy enthusiasts. Replacement: The original freewheel parts or damaged parts can be replaced directly, with higher strength and convenience, great accessories for your electric bikes. Material: Freewheel sprocket made of premium steel material, the freewheel right drive adapter kit is built to withstand oil and rust, ensuring excellent durability and reliability. Craftsmanship: The right drive freewheel adapter kit is meticulously crafted to withstand the test of time without any deformation, providing a long lasting performance. Spec: Item Type: Bikes Freewheel Adapter Set Material: Steel Weight: Approx. 283g/10.0oz Package List: 1 x Freewheel Adapter 1 x Freewheel 1 x Connector