02-03 HONDA CRF450R: Galfer SKW Oversize Front Rotor Kit A rotor kit so good it helped Zach Osborne win the 2017 250 East SX and 250 National MX championships! The Galfer 270 mm SKW rotor kit will definitely put a stop to your braking concerns. Designed for both trail and track, this kit is for the rider that needs more than what the stock brakes can provide. Race team tested (as the results above confirm) brake system designed for easy application and extreme conditions. Drastic increase in lever feel, modulation and brake torque. Every high-quality, Galfer-patented Wave&#174; rotor is made from a proprietary mix of virgin high-carbon 420 stainless steel, laser cut (never stamped), double disc-parallel ground to assure perfect parallel flatness and heat treated to each specific app