Description: 100% brand new standard drive belt 3M-384-12. Made of high quality and durable rubber,to use it for a long time . Quality made for high mileage and reliability. Oil and heat resistant. Provides extra durability and high performance. Fitment: for Electric Bike E-Bike Scooter. Specification: Material: Rubber Teeth number: 128 Width: Approx. 12 mm / 0.47 inch Length: Approx. 384 mm / 15.12 inch Peak Distance Between Two Adjacent Belt Teeth: 3 mm / 0.12 inch Package Includes: 1 Piece Drive Belt 3M-384-12. Note: Please check your old belt model number or size before your payment