APPLICABLE MODEL: Compatible with Bafang M200, M215, M315, M410, M420, and M300 electric chain crank sets featuring a 42T sprocket. LIGHT AND PORTABLE: This compact sprocket is designed for easy transport and convenient installation, making it simple to integrate into your existing system. EXQUISITE PROCESS: Crafted using a superior forging process, our chain ring adapter offers exceptional durability without deformation, ensuring long-lasting performance. WEAR MATERIAL: Constructed from high-quality aluminum alloy, this chain ring spider adapter is lightweight yet robust, providing excellent performance while maintaining low density. AVOID SCRATCHES: The sprocket adapter is designed to protect your equipment from scratches, helping to preserve its appearance and extend its lifespan. USE SCENARIOS: - Enhance your electric bike’s performance during daily commutes or recreational rides, ensuring smooth and reliable operation. - Perfect for hobbyists and DIY enthusiasts looking to upgrade or replace their existing crank set with a durable and compatible option. - Ideal for maintenance and repair scenarios, where having a lightweight and easily installable solution can save time and effort. Choose this Bafang-compatible sprocket adapter for a balance of functionality, protection, and quality in your electric cycling adventures.