Rear Sprocket - Aluminum - 50 Tooth - Honda - Introducing the ultimate combination of style, performance, and exclusivity, the Renthal® Limited Edition Hard Anodised Rear Chainwheel offering - With a limited edition run of Ultralight™ Chainwheels, you can be sure that you are getting a truly unique product that will stand out from the crowd - As seen and used with top Renthal® riders at Round 14 of the Monster Energy Supercross Series in East Rutherford, NJ - Renthal® UltraLight Rear Chainwheels are CNC machines from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel - Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer