SUPERSPROX MX REAR SPROCKET 51T YZ250F 01-2015 YZ400F YZ426F YZ450F 99-2015 BLUE

SUPERSPROX MX REAR SPROCKET 51T YZ250F 01-2015 YZ400F YZ426F YZ450F 99-2015 BLUE You are purchasing: Supersprox 51 T ooth Blue Alloy Rear Sprocket (11A-428-51BU) Suits: YAMAHA YZ 250FYears 2001-2015 YZ 400FYears 1999 YZ 426FYears 2000-2002 YZ 450FYears 2003-2015 Specifications: 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.