Core Stainless Steel 6 Bolt Disc Rotor - 203 mm Excellent value, great quality stainless-steel brake rotor with 6 bolt fitting Compatible with virtually all brands of hydraulic and mechanical disc callipers Precision laser cut from high quality, durable stainless-steel alloy Compatible for use with 6-bolt international standard hubs only Manufacturer information: Learn more about Aztec Brakes. Product TypeDisc Rotors DisciplineE-Bike DisciplineGravel & Cyclocross DisciplineMTB DisciplineRoad DisciplineTime Trial & Triathlon DisciplineUrban & Trekking ColourSilver Size 6-bolt - 203 mm