Renthal 520 Ultralight Rear Sprocket - 154V-520-50GRSI

Features:

• Renthal Ultralight rear chainwheels are manufactured to extremely tight tolerances from a special material developed to withstand the rigors of Supercross, Motocross and Enduro
• 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
• Renthal's combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life