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140mm
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140mm
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160mm
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Shimano XTR RT-MT900 Disc Brake Rotor

Mfg PartNum:
$81.99-$87.99
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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

In Mountain bike riding, trail conditions change drastically from one second to the next, from one turn to the next. Mountain bikers need to be able to seamlessly perceive the conditions, judge their options, and operate their bike in a split second. XTR satisfies the needs of the most demanding riders by providing the highest level of precision and integration. Shimano refocused on the original goal of XTR - to be the ultimate race components.

Shimano's ICE Technology was first developed for superior cooling under the rigors of pro downhill riding, but with a backwards compatible design in many popular sizes, the latest evolution of XTR rotors from Shimano now bring top-of-the-line performance to more applications. The RT-MT900 rotor draws heat away from the brake, which can bog down your stopping power, to deliver consistently superior performance no matter the conditions.



Features & Specs:

  • Stronger spider
  • Cooling fins for faster cooling
  • Backwards compatible design

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.

140mm

Brake Pad Type: Disc 

Brake Type: Disc 

Mfg PartNum: IRTMT900SSE 

160mm

Mfg PartNum: IRTMT900SE 

Brake Pad Type: Disc 

Brake Type: Disc 

180mm

Brake Pad Type: Disc 

Brake Type: Disc 

Mfg PartNum: IRTMT900ME 

203mm

Mfg PartNum: IRTMT900LE 

Brake Pad Type: Disc 

Brake Type: Disc 

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Reviewed 4/17/2021
by John
Viera Florida
Overall Rating
Best rotors for Shimano disc brake systems!

These are the choice rotors for many pro road cyclist for a reason. Lighter than dura ace, catch less side winds, and plenty of stopping power. The Dura ace versions are also great rotors but if your a little gram concience, and who isnt?.... the XTR rotors are a better choice for road bikes. Biketiresdirect is my favorite online bike parts supplier and VIP program is superb!

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Reviewed 9/12/2020
by Anonymous
Overall Rating
Great stopping power!

Got these for a custom build and and I'm happy with these rotors. Could have went with a 180mm rotor as 160mm is a little under powered.

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Reviewed 4/13/2021
by mbiker2298
USA
Overall Rating
Great Brakes!

I bought the 140mm rotors to put on my road bike, they work great with Ultegra and dissipate heat perfectly. I got them for some marginal weight saving and because they look cool.

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Reviewed 12/28/2020
by Anonymous
Cycling Enthusiast
Houston, TX
Overall Rating
Best of form and function

I'm using these on a gravel bike. Stopping power is great and consistent. Aesthetically, they look nice than the other Shimano options.

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