Durable 420 9T Chain Sprocket Inner 12X17mm Metal Speed Cut Motor Sprocket Motor Chain Sprocket Electric Bike

Exact Machining: The motor sprocket's inner hole dimensions are 12x17 mm (0.47x0.67in) and are accurately machined to ensure a perfect fit. 420 9T Sprocket: This 420-style 9T electric bike geared motor sprocket is ideal for repairing or modifying your e-bike. User-Friendly Design: The 420 chain sprocket is crafted for ease of use, delivering stable performance that simplifies tasks for both beginners and experts. High-Strength Metal: Constructed from steel, it offers superior performance, toughness, durability, and a long life. Easy Installation: Designed for ease of use and stable performance, it's easy to install, ensuring an excellent user experience. Item Type: Speed Cut Motor Sprocket Material: Metal Color: Black Weight: Approx. 27g Inner hole size: Approx. 12x17mm(0.47x0.67in) Outer diameter:Approx.40mm(1.57in) Packing List:1 x 9T Chain Sprocket Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.