Replacement for: for 49cc 66cc 80cc Bike Engine Motorized Bicycle.
Good-quality Material: Made from durable and reliable materials, ensuring long-lasting performance and resilience.
Stable Operation: Ensure continuous and stable operation, reduce chain slip and improve performance. It can pedal smoothly and reduce wear on the bicycle transmission system.
Tip: Any questions,please contact us. we can help you solve the problem until you are satisfied.