Belt (669x18x30); GY50/QMB139
OEM-quality replacement belt for your QMB139 powered scooter. Looking for a standard replacement at a great price? This is it!
Fits 50 cc 4T Chinese-engined automatic scooters with 669*18*30 belts.
Not sure if this part will work on your bike? Need to determine the correct fit? Call 1-888-968-3772