... . scooter gates 2.scooter/motorcycle drive belt scooter parts 3.model :669*18*28 743*20*30 729 842 etc. 4 ... heat,oil,fatigue,again and friction.2) Features:large power ,high speeds,long usage lives,small distortion,small sizes.3) Applications ... available. scooter belt / gates belts/ scooter belt / spare parts/ accessory / high quality belt / china scooter belt (ZW-E04)