## Drive Belt 729x17.5mm 30° WMotor 139QMB 50 4T AC - Junak This high-quality drive belt, measuring 729x17.5mm with a 30° angle, from the renowned brand Junak, is the perfect choice for your scooter with a 139QMB 50 4T AC engine. It ensures smooth and efficient transmission operation, translating into a comfortable ride. ### Durability and Reliability Made from durable materials, the Junak drive belt guarantees a long lifespan and resistance to wear. Precise manufacturing and attention to detail ensure a perfect fit to the drive system, minimizing energy loss and providing optimal power transfer. ### Technical Parameters: * Length: 729mm * Width: 17.5mm * Angle: 30° ### Compatibility: The belt is compatible with 139QMB 50 4T AC engines, commonly used in scooters. ### Why choose the Junak drive belt? * High-quality workmanship * Long lifespan * Smooth and quiet operation * Optimal power transfer * Safety and riding comfort Invest in quality and reliability - choose the Junak drive belt!