Artrax Racing Oversized Disc Rotors Artrax Racing Oversized Disc Rotors offer outstanding performance and increased stopping power for all late model off road bikes. It is a 270mm full floating rotor made from high carbon steel construction for maximum durability. It includes a billet calliper bracket for proper relocation and easy installation. Technical Tips Mounting a new rotor. Make sure the contact area on the rotor and hub are completely clean, centre the rotor on the hub and tighten to the OEM torque specs. New brake pads should always be installed when fitting a new rotor and we strongly recommend that new disc bolts are also fitted. Pad Compatibility Artrax Racing Oversized Disc Rotors can be used with any type of brake pads, including sintered bronze, Kevlar and ceramic carbon. Fits: Honda CR125R 2004-2007 CR250R 2004-2007 CRF250R 2004-2014 CRF250X 2004-2017 CRF450R 2004-2014 CRF450X 2005-2017