Description: 100% brand new standard drive belt 729 17.7 30. Made of high quality and durable styrene-butadiene rubber,to use it for a long time . Quality made for high mileage and reliability. Oil and heat resistant. Provides longer durability and high performance. Fitment: for most 4 stroke GY6 49/50cc engines. Specification: Material: Styrene-Butadiene Rubber Width: Approx. 17.7 mm / 0.7 inch Length: Approx. 729 mm / 28.7 inch Angle: Approx. 30 degree Package Includes: 1 Piece Drive Belt 729-17.7-30 Note: Please check your old belt size before your payment