Our product:Long service life, high strength and toughness, capable of operating for lengthy durations of timeLow elongation and higher wear resistanceWith a gentle physique and a closer fit to the wheel groove, it has a wide range of applicationsProduct collection of nice raw materials, elimination of faulty products, oil and warmth resistance, anti-static, and superb transmission performanceProduct code description:La=outer circumference Lp, Le=nodal size Li=inner circumference