Primary Drive Alloy Kit & X-Ring Chain for Suzuki RMZ250 2007-2009

Front sprockets are manufactured to O.E.M., specs using high grade hardened steel. Rear Aluminum Sprocket made from 7075 T-6 heat treated Aluminum. Come with self cleaning grooves. All match original equipment exactly for perfect fit and size. The ORH X-Ring chain is Primary Drives best off-road chain for performance and durability. X-Ring shape provides an outstanding seal with reduced friction. Average tensile strength 8,120 lbs.