States MX 70-SB1-002 Oversize 270mm MX Disc w/Mounting Bracket for Suzuki RM-Z250 07-17/RM-Z450 05-17/RM-X450Z 2010STATES MX Oversize Disc Kit for OEM fitment to Suzuki RMZ 250 450 and RMX450 Check model fitment above at 'Select Your Bike' by entering the Make Model Year details and click on the 'Search' tab Front 270mm Floating Disc Rotor created from High Quality T420 Stainless Steel Double sided parallel disc grinding to ensure a perfect flat surface finish for Competition use Unique CAD Cam Disc Rotor Design to minimize metallic stress and assist with heat