HZBHD Scooter Drive Belt 139QMB For GY6 49cc 50cc 729 17.5 30 CVT Engine Transmission Drive Belt Clutch Belt Timing Belt

Drive Belt runs cooler, has less wear and tear due to heat, Spend more time riding and less time wrenching. For GY6 49cc 50cc 729 17.5 30 CVT 139QMB Engine Final Variator Belt Ensures synchronized movement between the engine and wheels.Supports the motorcycle's weight distribution during motion. Drive Belt which can buffer the partial tensile force of the electric motor startup, so that the ride is smoother and the transmission sound is smaller. At the same time, it also achieves a protective effect on the motor. Drive Belt Double-sided teeth design,improving heat dissipation and flexibility to ensure stable RPM during vehicle speed changes.