Features:_x000D_ 1. Made of high quality aluminium material, which is lightweight and durable to use._x000D_ 2. Ergonomic shape utilizes the stampede acting efficiently to create more stampede traction._x000D_ 3. This is TSDZ2 intermediate drive motor chain adapter, you need your own compatible 104BCD chain. _x000D_ 4. The positive tooth corresponding chain tooth is wide, tooth corresponding negative chain is narrow. _x000D_ 5. Universal, after using it, it can be equipped with 36, 38, 44, 46, 48 or other specifications of the chainring._x000D_ _x000D_ Specifications:_x000D_ Condition: Brand New_x000D_ Material: Aluminium_x000D_ Color: Silver_x000D_ BCD: 104mm_x000D_ Size: Approx. 8.5cm / 3.3inch_x000D_ Weight: Approx. 90g_x000D_ _x000D_ Package List:_x000D_ 1 x Bicycle Chainring 1Made of high quality aluminium material, which is lightweight and durable to use. 2Ergonomic shape utilizes the stampede acting efficiently to create more stampede traction. 3This is TSDZ2 intermediate drive motor chain adapter, you need your own compatible 104BCD chain. 4The positive tooth corresponding chain tooth is wide, tooth corresponding negative chain is narrow. 5Universal, after using it, it can be equipped with 36, 38, 44, 46, 48 or other specifications of the chainring.