Taking inspiration from aggressive braking in the motorcycle world the MDR-P Disc Brake Rotors are high-performance rotors built for ultimate riding potential. We’re braking later and harder with these rotors affixed to our wheels, upping our speed and keeping our momentum better than ever. The heat shedding alloy core makes bike park days easy to handle so we can keep focused on the trail instead of the smell of our brakes.High-performance rotors for fast and loose ridingMoto inspired alloy core sheds heat quicklySteel braking surface offers plenty of stopping powerRotors are available in a variety of diametersLong-lasting braking surface lasts thousands of milesMaterialaluminumAttachment Type6-boltDiameter203mm, 220mmIncludes6 mounting boltsClaimed Weight[220mm] 7.6oz (216g)Manufacturer Warranty5 years