Our product:Long service life, excessive strength and toughness, capable of operating for lengthy intervals of timeLow elongation and better put on resistanceWith a gentle physique and a more in-depth match to the wheel groove, it has quite a lot of applicationsProduct collection of effective uncooked materials, elimination of faulty products, oil and heat resistance, anti-static, and high quality transmission performanceProduct code description:La=outer circumference Lp, Le=nodal length Li=inner circumference