Renthal 520 Ultralight Rear 520 Conversion Sprocket 42T - 411U-520-42P-HA

Features:

• Renthal Ultralight rear chainwheels are manufactured to exteremly tight tolerences from a special material developed to withstand the rigours 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.
• Renthals combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life