Unparalleled compatibility: Bike chain, This bicycle chain is designed with 27, 24 and 21 speeds, which can perfectly match most electric bikes in the market, providing you with a smooth and responsive ride.
Superior performance: electric Mountain bike chain, Our bike chain provides fast, precise gear shifting for smooth and quiet performance. It offers efficient power transmission without wasting your pedaling force.
Long lasting durability: Made of high-quality steel, this bicycle chain is chargeable and designed to hold up through long rides and under strenuous conditions, ensuring long-term reliability.
Optimized for electric bikes: The design of this chain is optimized for electric bike. Its thinner plates and light weight minimize the power loss, thereby maximizing speed and efficiency.
Easy installation: This bike chain comes with full easy-to-follow instructions for a stress-free installation, allowing you to get back on track in no time. Perfect for both seasoned riders and beginners alike.

【LUnited Kingdom Warehouse】, Fedex carrier So fast, Don’t worried, We have professional staff to handle all your questions.
【Li-ion Battery Parameter】36V 8AH or 13AH, suitable for 250W 350W 500W 750W 1000W motor. Max Constant Discharge Current: 30A, Charger: 54.6V 2A. Discharge connector:Anderson connector(spare cable offered)
【Safety & Convenient】High quality electric cells and built-in a 30A BMS protective plate, prevent over charge, over discharge, over current and short circuit and ensure the long life expectancy.
【One Year Warranty】Charger damage, could resend new one. Battery have problem, we will give you good solution.