Supersprox Yamaha WR250R 08-21 EK Chain and Blue Alloy Sprocket Kit

"The Racers Choice!"

Supersprox/EK Chain and sprocket kits are a great way to grab everything you need in the one kit. These kits are available in a variety of sprocket and chain colours and also sizes.

Kit contains:

Supersprox Steel Front Sprocket

• C-45 high quality steel 
• Long life, anti corrosion silver finish
• Carbide cut CNC machined teeth
• Quality assured
• ISO 9002 Certified

Supersprox Blue Alloy Rear Sprocket

• 7075-T6 Aerospace aluminium for maximum durability.
• CNC machined to incredibly tight tolerances that allow perfect concentricity and accuracy of fit.
• The Works-Light design has allowed optimum weight reduction, whilst keeping the product super strong. It's 67% lighter than a steel sprocket!
• Supersprox patented tooth profile will increase chain life up to 15%.
• Chain vibration (slap) will be reduced, giving smoother acceleration.
• The exceptionally hard wearing surface and dirt grooves will give significantly increased chain wheel life, it'll outlast the competition.
• The anodised anti-corrosion surface is technical and attractive, and its hard coating aids to a prolonged system life.
• Perfect for Supercross, Motorcross and Off-road bikes.

EK Chains 520 Heavy Duty 120L Gold Race Chain

• Pin: Diameter 5.24mm Length 17.5mm
• Roller: Diameter 10.16mm
• Plate Thickness: Inner 2mm, Outer 2mm
• Tensile Strength: 8,900 lbs.
• Wear Life Index: 400 (Std. as 100)
• Weight (100 Links): 1.52kg
• Max Disp. CC's: Street 250, Dirt 500