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  • Shimano XT RT-MT800 Centerlock Disc Rotor
  • Shimano XT RT-MT800 Centerlock Disc Rotor Detail
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ShimanoXT RT-MT800 Centerlock Disc Rotor
$52.99 - $64.99

Item # SHIU18K

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  • Silver, 140mm ($52.99)
  • Silver, 160mm ($52.99)
  • Silver, 180mm ($57.99)
  • Silver, 203mm ($64.99)
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Item # SHIU18K
Description

XT RT-MT800 Centerlock Disc Rotor

Bike progression has been forging ahead full-speed for some time now, and with all of the progress we see in bike geometry, riders are tackling the trail faster than ever. While this certainly is exhilarating when you've got the trail to yourself and you're booking it into banked berms, it also means you've got to dial in the ability to stop on a dime, should you come up on a climber working their way up the trail. Shimano's XT RT-MT800 Centerlock Disc Rotors are built to do just that, with Ice Technology and a deeper disc area to manage heat than an all-steel rotor can on its own. This tech combines an aluminum core sandwiched between steel extensions to provide better heat dissipation. This rotor is then paired up to an aluminum carrier, which further cools things down. This year's version ads in a tapered fin to help boost heat dissipation, and reduce fade, enabling better modulation and stopping power under pressure. The rotors are compatible with centerlock hubs only, and are available in a huge range of sizes to accommodate your gravel rig to enduro machine, and everything in between.

  • Drop heat and stop on a dime with Shimano's XT rotors
  • Ice-Tech sandwiches aluminum with steel to drop heat
  • Aluminum carrier spider further reduces heat
  • Fins draw heat inwards and away from braking surface
  • Compatible with centerlock hubs only
Tech SpecsWeight
Tech Specs
Material
[rotor] steel, [carrier] aluminum
Attachment Type
centerlock
Compatibility
centerlock wheels
Diameter
140mm, 160mm, 180mm, 203mm
Recommended Use
cross-country, enduro, trail
Manufacturer Warranty
2 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Grams

Oz

Silver, 140mm
96g
3.39oz
Silver, 160mm
117g
4.13oz
Silver, 180mm
143g
5.04oz
Silver, 203mm
171g
6.03oz

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[140mm] 89g, [160mm] 108g, [180mm] 131g, [203mm] 147g

Reviews & Community

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Which lockring? External (bottom bracket socket) or internal (cassette socket)?

Hey Dmitry,

The spline on the Shimano Lockring is the same as a Shimano Cassette, so you can use any Cassette Tool matched for a Shimano Cassette. One of my favorites is the Abby Bike Tools Dual Sided Crombie. That will work for SRAM, Shimano, and Campy!

If you have any other questions, please feel free to email me directly at krakowski@competitivecyclist.com.

Thank You for your question!

https://www.competitivecyclist.com/abbey-bike-tools-sl-dual-sided-crombie-tool-thru-axle?skidn=ABY000H-ONECOL-ONESIZ&ti=U2VhcmNoIFJlc3VsdHM6c2hpbWFubyBsb2NrcmluZzoxOjk6c2hpbWFubyBsb2NrcmluZw==