1PCS Treadmill belt drive belt PJ508/200J 8 Ribs Rubber multi groove belt multi wedge treadmill motor bike fitness Made of rubber material, it is strong and durable, ensuring high mileage and reliable performance. Inspect belts regularly and replace when worn to maintain peak performance. Flexible shock absorption, low noise, non-slip operation, strong bearing capacity, heat and oil resistance, not easy to break, more stable wear resistance, long service life Drive belts provide exceptional strength, improved dimensional integrity and stability for extended belt life.