Renthal 112U-520-51GEBK Ultralight Rear Sprocket - Black - 51T chemical-2-stroke-oil Made from a closed cell

Made from a closed cell polyethylene to enhance frequency response for improved sound clarity

Available with 6K Carbon Shell

they are guaranteed to last

High-quality pinion gears are carefully machined

Built to accept rotors that are

Renthal 112U-520-51GEBK Ultralight Rear Sprocket - Black - 51T chemical-2-stroke-oil Made from a closed cellMarketing Color: Black Material: Aluminum Sprocket Position: Rear Sprocket Size: 520 Sprocket Teeth: 51 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 aluminium alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide