Discs feature metal locking device that reduces changing to seconds. Only a half turn clockwise securely anchors disc to pad and ensures positive centering. Discs won\'t fly off at high speeds. No tools or adhesives required. Use Type R holders, which are sold separately.
Warning:This product may expose you to chemicals including Silica Crystalline, a chemical known to the State of California to cause Cancer. For more information go to www.P65Warnings.ca.gov