Shimano | Dura-Ace SM-RT900 Rotor - Centerlock

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The Shimano Dura-Ace SM-RT900 Rotor prevents brake fade on extended descents where you'd normally experience a major decrease in stopping power on the road. This Freeza Rotor is part of Shimano's newest Dura-Ace hydraulic disc brakes, meaning they're compatible with the Dura-Ace BR-R9170 caliper and Ice-Tech pads. They're compatible with frames that accommodate flat-mount disc brakes and attach to Shimano's proprietary Centerlock hub system.

The 3-layer rotor construction has a stainless steel braking surface with an alloy core featuring finned cut-outs for effective heat dispersion. Shimano claims heat is reduced by up to 50-degrees Celsius, which is significant when you're riding along mountainous terrain where sustained descents pose a threat to your stopping power.

  • FREEZA rotor reduces heat by up to 50-degrees Celsius
  • 3-layer construction dissipates heat on long descents
  • Stainless steel braking surface with aluminum core
  • Shimano Centerlock attachment with included lock ring
  • Compatible with Dura-Ace BR-R9170 disc brake caliper
  • Recommended for use with Shimano Ice-Tech brake pads
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