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XT SM-RT86 Rotor - 6-Bolt

5 out of 5 stars
3 Reviews

Out of Stock

Don't worry though, we have a lot more Mountain Brake Small Parts in stock than that.

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Why We Like The Shimano XT SM-RT86 Rotor

Shimano’s XT Brake Rotor, the SM-RT86, sets itself apart from Shimano’s lower-tier offerings through its use of an aluminum core to transfer heat away from the brake caliper. This, combined with the finned heat sinks in Shimano’s XT and XTR-level brake pads, combats heat-related brake fade. We appreciate this construction because it translates to consistent, reliable braking even on long descents.


  • Workhorse brake rotor for XC, trail, and gravity use
  • IceTech steel/aluminum sandwich dissipates heat
  • Aluminum spider further contributes to heat management
  • Item #SHI001B
[rotor] steel, aluminum, [carrier] aluminum
Attachment Type
160mm 180mm, 203mm
Claimed Weight
[203mm] 187g, [180mm] 154g, [160mm] 135g
trail, enduro, cross-country
Manufacturer Warranty
2 years