MagiDeal Rubber Drive Belt 669 18 30 Motorcycle Motorbike Scooter Moped 50cc to 80cc Model669-18-30 Fits most 50cc to 80cc Chinese scooters and mopeds For GY6, QMB/ QMA 139, 4 stroke engines Provides superior strength and dimensional integrity for a long and stable belt life Length: Approx. 26.33 inch/669 mm