Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation. - The new arm shape is more robust, leading to quieter operation. - Featuring ICE TECHNOLOGIES and FREEZA; ICE TECHNOLOGIES is a proprietary fabrication technique consisting of a 3-layer aluminum and stainless-steel structure allowing for superior cooling. FREEZA are aluminum/stainless fins that support rapid heat dissipation. Combined you get longer pad life, less brake fade and substantially quieter braking. - Recommended both for road or mountain bike braking systems. - Lock-ring included. - Disc Diameter: 160mm - Hub Compatibility: Center Lock - Disc Pad Type: Metal or Resin - Disc Material: Stainless steel/Aluminum - Disc Technology: Ice-Tech and Freeza - Weight: 114g