Galfer Wave MTB Disc Brake Rotor Replace your stock rotor on your bike with the premium Galfer Wave MTB Disc Brake Rotor. Galfer made this rotor out of a blend of high-carbon steel and stainless-steel and laser-cuts and heat-treats all their rotors to ensure premium quality. The Wave rotor is available in three different sizes and comes in either 6-bolt or center lock configurations. Features Made from 420 high-carbon steelfor braking rigidity Laser-cut and heat-treated to ensure quality Available in 6-bolt or center lock configurations (centerlock not available in 223mm)Available in 160mm, 180mm, or 203mm SPECIFICATIONSDiameter160mm, 180mm, 203mm, or 223mm (6-bolt only)Material High-carbon steel and stainless-steel Intended Use XC, Trail, Gravity Weight160mm-110g | 180mm-127g | 203mm-157g | Galfer | Wave Mtb Disc Brake Rotor 160Mm 1. 8Mm Cl