Rotor pt frana pe Disc Shimano Steps RT-CL900-S 160mm - IRTCL900SI- 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. - The inner aluminum surface of the FREEZA fins is covered with heat-dissipating paint. Providing even more colling performance to reduce brake fade. - 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