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Fits: Yamaha YFZ 450R 450X 2009-2015. Kit includes OEM gearing 14/38 combo with JT Front sprocket 159214 and rear sprocket 185738 and 98 link RK GB520EXW gold and black O-ring chain.
Kit includes OEM gearing JT sprockets and RK precut O-ring chain.
RK GOLD XW-ring design provides significantly greater wear life than basic O-ring chains with 3 contact lips and 2 convex outer stablilzers create 6 lubrication polls, reducing abrasion, heat buildup and torsional friction.
JT Sprockets is the worlds number one aftermarket sprocket manufacturer. All sprockets are manufactured from Case Hardened steel to improve durability and strength. Front sprockets made with chromoly steel.
Tensile strength on chain is 8500 lbs.