[Superior Craftsmanship] Meticulously crafted 16t flywheel adapter set to endure over time without deformation, providing a high-performance experience. Replacement] Directly replace original or damaged parts, offering higher strength and convenience, ideal accessory for your electric bikes. [Compatibility] Designed for my1016z my1016 my1018 my1020 motors, guarantees a seamless integration and fit for a variety of electric bikes. [ Steel Material] Made of premium steel to withstand oil and ensuring excellent durability and reliability for long-lasting performance. [Easy Installation] User-friendly design with included adapter and connector, easy to install for professional mechanics and diy enthusiasts alike. [Compatibility] Designed for my1016z my1016 my1018 my1020 motors, guarantees a seamless integration and fit for a variety of electric bikes.[Perfect Replacement] Directly replace original or damaged parts, offering higher strength and convenience, ideal accessory for your electric bikes.[Superior Craftsmanship] Meticulously crafted 16t flywheel adapter set to endure over time without deformation, providing a high-performance experience.[Easy Installation] User-friendly design with included adapter and connector, easy to install for professional mechanics and diy enthusiasts alike.[Durable Steel Material] Made of premium steel to withstand oil and rust, ensuring excellent durability and reliability for long-lasting performance.Spec:Item Type: Freewheel Adapter SetMaterial: SteelWeight: Approx. 283g/10.0ozPackage List:1 x Freewheel Adapter1 x Freewheel1 x Connector