EK CHAINS CAN'T BE BEAT FOR PERFORMANCE VALUE! A best sellerchain line which features solid rollers, constructed with softpeened and pre-stretched components for better performance andfewer adjustments, all drive chains include a connecting linkwhich can also be purchased separately. EK's exclusive QuadraX-Ring Chain offers 50-100% longer life than Rings, whilereducing friction up to 50%. Ultra durable Quadra X-Ringmaterial resists premature failure, ensuring reliable sealingthroughout the life of the chain. Developed for most ATV offroad bikes up to 600cc plus street units up to 600cc.- 100 Links, Seal Type Quadra Ring- Pin Diameter 5.38mm, Pin Length 21.5mm- Plate Thickness 2.20 x 2.20mm, Roller Diameter 10.20mm- Tensile Strength 8400#- Max Displacement 600cc, WTG/100 Links 3.70#