Renthal Grooved Front & Ultralight Rear Sprockets & R3 O-Ring Chain Kit - 14/52 BLUE - Compatible/Replacement for Yamaha WR450F, YZ250, YZ450F

Description

Manufacturers Part Numbers: 289--520-14GP|150U-520-52GPBU|C416Renthal Sprockets & Chain Kit - Front & Rear Ultralight Sprockets & R3 O-Ring ChainTHIS CHAIN & SPROCKET KIT INCLUDES:Sprocket-Front: ToothSprocket-Rear: Tooth - BlueCHAIN: Renthal R3 O-Ring Chain - 520X120 LinksFRONT COUNTERSHAFT SPROCKETStandard front chainwheels are long lasting, hard wearing entry level front chainwheel.Constructed out a specially developed Nickel-Chrome-Molybdenum steel which is case hardened and core refined to give the ultimate combination of strength and hardness.ULTRALIGHT REAR SPROCKETRenthal Ultralight rear chainwheels are manufactured to extremely tight tolerances from a special material developed to withstand the rigours of supercross, motocross and enduro racing.The 7075 T6 aluminum alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.R3-3 - MX SRS O-RING CHAINA premium high strength sealed ring chain with excellent impact load resistance designed specifically to withstand the stress found in offroad applications where an o-ring chain is desired. The R3.3 chain has been upgraded to the R4 ranges’ proven quad riveting manufacturing process. The Rivet link has also been changed to a hollow end to facilitate easier installation. Nitrile Self Regulating Seals (SRSTM) retain a special vacuum injected grease around the critical pin and bush area, which extends the life of the chain.Average Tensile Strength: 7420 lbs.Number of Links: 120Master Link included..