Our product:Long service life, high energy and toughness, capable of operating for long intervals of timeLow elongation and higher put on resistanceWith a comfortable body and a better fit to the wheel groove, it has a variety of applicationsProduct selection of positive raw materials, removing of defective products, oil and warmth resistance, anti-static, and positive transmission performanceProduct code description:La=outer circumference Lp, Le=nodal size Li=inner circumference