Applicable Model: The 420 chain 24T rear sprocket is applicable for Z50A Z50 Z50R Z50J Monkey Bike, please confirm whether your model is applicable before buying.
Function: The rear drive sprocket is an important part of the transmission system, which makes the chain drive more stable and more efficient. Give you a more comfortable riding experience.
Durable and Lightweight: Sprocket is made of steel alloy, strong and durable, with strong toughness and long service life. Simple design, compact, easy to carry and use, convenient and practical.
Size: Rear sprocket has 24 gears, sprocket diameter is 102mm, inner diameter is 30mm, thickness is 6mm. 3 mounting holes are 9mm in diameter.
Easy to Install and Remove: The rear sprocket adopts reasonable design, easy to install and remove, convenient and practical, can replace the old or damaged.