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Shimano XT/Ultegra RT-MT800 Disc Rotor Centerlock 180mm - Centerlock
Shimano XT/Ultegra RT-MT800 Disc Rotor Centerlock 203mm - Centerlock
180mm - Centerlock
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Shimano XT/Ultegra RT-MT800 Disc Rotor Centerlock 180mm - Centerlock
Shimano XT/Ultegra RT-MT800 Disc Rotor Centerlock 203mm - Centerlock

Shimano
XT/Ultegra RT-MT800 Disc Rotor Centerlock

Mfg PartNum:
$52.99-$64.99
MSRP:$60.99
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Less Heat + More Stopping Power = Better Braking

Disc brakes have rightfully become the contemporary standard across all major cycling disciplines thanks to superior stopping power, nuanced modulation, and reliable all-weather performance, and the Shimano XT/Ultegra RT-MT800 Centerlock Disc Rotor features new technology to take that performance up a notch.

Shimano's Ice Tech Freeza technology means this rotor is able to cope with sustained braking and high temperatures associated with both road and mountain biking. Shimano's advanced Freeza heat-dissipating design reduces brake fade. Installing and removing the rotors is quick and easy thanks to Shimano's proprietary centerlock design.

Features:

  • XT/Ultegra series disc rotor for reliable stopping power in all conditions
  • Maximum heat dissipation thanks to Ice-Tech Freeza technology
  • Available in 140, 160, 180, and 203mm sizing
  • Available in internally or externally splined versions
  • Centerlock hub compatible
  • For use with road, gravel or MTB disc brake systems

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

 

Brake Pad Type: Disc 

 

Brake Type: Disc 

 

Diameter: 140mm, 160mm, 180mm, 203mm 

 

Hub Compatibility: Center-Lock 

 

Brake Parts: Rotor 

140mm - Centerlock (Internal Spline Type)

Mfg PartNum: IRTMT800SSI 

160mm - Centerlock (Internal Spline Type)

Mfg PartNum: IRTMT800SI 

140mm - Centerlock (External Spline Type)

Mfg PartNum: IRTMT800SSE 

160mm - Centerlock (External Spline Type)

Mfg PartNum: IRTMT800SE 

180mm - Centerlock (External Spline Type)

Mfg PartNum: IRTMT800ME 

203mm - Centerlock (External Spline Type)

Mfg PartNum: IRTMT800LE 

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Lightweight, slightly lighter than the Shimano road rotors, used on a road bike
by Anonymous
Daily Commuter
5 of 5 customers found this review helpful.

Weight weenie wise, this rotor is lighter than the XTR version and lighter than the Ultegra and Dura-ace versions. This is why I got it. Works well on my road bike paired to Ultegra R8000 shiftercaliper. I'm using 160mm front140mm rear.

What else can I say? It works as intended.

Reviewed 12/27/2019
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Sintered pads!
by Etroop
2 of 3 customers found this review helpful.

Finally upgraded bike from resin-only to sintered compatible discs. Working well and no squeals in the first couple hundred miles, even in the wet. These look pretty rad, too.

Reviewed 7/15/2021
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