Shimano XT RT-MT800 Disc Brake Rotor

Shimano XT RT-MT800 Disc Brake Rotor
7 reviews
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Toothing Lockring
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  • Trustpilot review 9.4 out of 65.478 reviews


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Pros & Cons

Pros & Cons

  • The heat dissipation of this brake disc is very good by Shimano's Ice-Technology Freeza.
  • Due to the harder material, this brake disc can also be used with Semi-Metallic and metallic brake pads.
  • This brake disc is made of light materials and therefore has a low weight.
  • You can choose different sizes of locking rings with this brake disc, so you don't have to buy extra lock rings with a 15 mm through-axle.
  • This brake disc is slightly heavier than the XTR MT-900 brake disc.
Read more on what our customers have to say about this product



Brand Shimano
Mount Centerlock
Hardness Brakepad Hard (Metal) / Medium (Semi-Metal) / Soft (Resin/Organic)



The Shimano XT RT-MT800 brake disc is a low weight disc with optimal heat dissipation and is designed to maximize your braking performance!

Heat dissipation with Ice-Tehnology Freeza
This brake disc is equipped with Shimano's Ice-Technology Freeza heat management. This means that the brake surface of the disc consists of three layers: 2 layers of stainless steel and 1 layer of aluminium. Ensuring the disc has excellent heat dissipation, which means that you'll be able to maintain good braking power for longer periods of time on long downhill runs when braking often. Both fading and heating of the oil, will be less likely to occur. This will allow you to go downhill with more confidence and braking power!

Hard material, optimally milled
The components of this disc are milled out of hard materials. This allows you to ride with harder brake pads than just the traditional Shimano Resin brake pads. Harder pads do not heat up as fast in long descents and have a higher durability.

Low weight
Shimano has done its best to keep this brake disc's weight as low as possible, without compromising its functionality. With this disc, you won't have to waste power lugging extra grams up hill while experiencing enough braking power going downhill.

Lockring variants
This brake disc is available in all sizes with a lock ring that has internal toothing. It is compatible with Quick-release axles, and with 10 mm and 12 mm through-axles.
The 140 mm and 160 mm brake discs are also offered with a lockring with external teeth. This lockring can be tightened with a bottom-bracket wrench and is mainly used for 15 mm axles.

Type of bike
This XT RT-MT800 has been developed for the XT mountain bike series. However, this brake disc can also be used on trekking bikes, road bikes, city bikes and e-bikes.
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9.6 / 10 Average from 7 reviews | Write a review
9.6 / 10
7 reviews


  • Nice design (1)
  • Lightweight (1)
  • Strong (1)
  • Finned rotor design (1)


There are currently no cons available in English yet

Most recent reviews

10 / 10

Olaf, 19 April 2020


These are very good looking rotors, braking power is second to none(203mm).


  • Lightweight
  • Nice design

10 / 10

Rob, 3 March 2020

Great rotor

I really like these rotor. Good stopping power on xt brakes and centerlock is easy to fit.


  • Finned rotor design
  • Strong

8 / 10

Ed, 13 November 2020

Gewoon goed


  • Goed product
  • Goede kwaliteit
  • Licht gewicht
  • Mooi uiterlijk

10 / 10

Seppe, 29 October 2020

Kwalitatieve remschijven

9 / 10

Michel, 23 June 2020

Met Mantal gaan de remmen los

Zeer snelle levering, goed spul voor een goede prijs


  • Goede spullen
  • Snelle levering
Show all reviews

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7 reviews 19 reviews 45 reviews 46 reviews
Diameter 140 mm / 160 mm / 180 mm / 203 mm 140 mm / 160 mm 160 mm / 180 mm / 203 mm 140 mm / 160 mm / 180 mm / 183 mm / 203 mm
Mount Centerlock Centerlock 6-Bolt 6-Bolt
Hardness Brakepad Hard (Metal) / Medium (Semi-Metal) / Soft (Resin/Organic) Hard (Metal) / Medium (Semi-Metal) / Soft (Resin/Organic) Hard (Metal) / Medium (Semi-Metal) / Soft (Resin/Organic) Hard (Metal) / Medium (Semi-Metal) / Soft (Resin/Organic)
Weight 164 grams / 132 grams / 108 grams / 88 grams 105 grams / 127 grams 135 grams / 154 grams / 187 grams 146 grams
Toothing Lockring External / Internal
From 38.40 41.00 From 34.95 From 41.90
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All specifications

Detailed product description

Weight of brake discs
• 203 mm: 164 grams
• 180 mm: 132 grams
• 160 mm: 109
• 140 mm: 88 grams