1、Perfect Compatibility: Specifically designed for TSDZ 2B mid mounted motor, this gear assembly is a great accessory for mountain bike modifications, offering a perfect fit. 2、Steel Nylon Materials: Constructed with premium nylon and steel materials, this electric bike motor gear is rust resistant and deformation resistant, ensuring a longer lifespan. 3、Compact and Lightweight: This motor gear has a small size, lightweight design, and high reliability, making it convenient to carry and providing excellent performance. 4、Superior Craftsmanship: This electric bike motor reduction gear is professionally manufactured to provide the performance and dependability you expect, strong load bearing capacity. 5、Easy Installation: The motor reduction gear assembly is easy to install and replace, simply remove old parts and put this new one in its place, convenient for daily maintenance. Item Type: Electric Bike Motor Gear Assembly Material: Nylon, Steel Weight: Approx. 94g/3.3oz 1 x Motor Gear Assembly