Shimano Disc Brake Rotor- RT-81 - Center Lock

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Shimano's RT81 rotors embody Shimano's signature Ice-Tech Technology. Ice-Tech produces 25% more braking power through achieving a high system stiffness and incredible cooling power. The 3 layer rotor features an aluminum core between stainless steel outer plates. This configuation quickly and efficiently dissipates heat from the exterior, drawing it away to cool into the atmosphere using the aluminum carriers and cutout winged design. With better heat dissipation, there is more consistent braking power.

  • Centerlock Rotors mount on Centerlock hubs only (SM-RT96 lockring for QR and 12mm hubs included, HB20 lockring is required for 15mm and 20mm thru-axle hubs, sold separately). Will not fit on standard 6-bolt hubs.
  • Floating arrangement delivers excellent stiffness properties, low weight, great brake feel and incredible heat dissipation
  • Ice-Tech heat-shedding technology ensures consistent, predictable braking.
  •  Mud- Shedding Design is ready for the roughest conditions
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