X
Mon-Sat 8am-5pm PT
FREE SHIPPING ON ORDERS OVER $50More info
JOIN OUR EMAIL LIST
Sign Up
Serving cyclists
since 2002
WISH
0
Shimano XTR/Dura-Ace RT-M900 Disc Brake Rotor External Spline Type
Shimano XTR/Dura-Ace RT-M900 Disc Brake Rotor Internal Spline Type
External Spline Type
Click Here for Larger Image
Shimano XTR/Dura-Ace RT-M900 Disc Brake Rotor External Spline Type
Shimano XTR/Dura-Ace RT-M900 Disc Brake Rotor Internal Spline Type
PLAY VIDEO

Shimano XTR/Dura-Ace RT-M900 Disc Brake Rotor

Mfg PartNum:
$81.99-$87.99
In Stock Now
Ships Free!
Earn $6.55 in VIP credit. Click to Learn More.
655
POINTS
This size is not eligible for VIP points
Please Confirm Size

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.

Top Of The Line — Road Or Mountain

Designed to keep your braking system cool on long, demanding descents, the XTR/Dura-Ace RT-MT900 Centerlock Disc Rotor rapidly dissipates heat for more consistent braking performance in extreme conditions, as well as longer pad life and reduced brake fade. These rotors are optimized for the XTR M9100 and M9120 brakes as well as the new Dura Ace, and feature a new design that improves cooling and decreases weight compared to the previous version of the XTR rotor, the RT-99.

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 have now been incorporated into their Dura-Ace road groupset. 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:

  • XTR/Dura Ace rotor offering improved cooling and braking performance
  • 3-layer Freeza construction dissipates heat on long descents
  • Enjoy consistent performance, longer pad life, reduced brake fade
  • Surface temp cooled by up to 20-degrees Celsius vs. RT-99 rotors
  • 140mm and 160mm rotors shave grams for road, gravel and XC
  • 180m and 203mm are designed for aggressive trail and enduro
  • Shimano Centerlock attachment with lock ring included

  • 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 

    Hub Compatibility: Center-Lock 

    Brake Parts: Rotor 

    140mm (Internal Spline Type)

    Mfg PartNum: IRTMT900SS 

    140mm (External Spline Type)

    Mfg PartNum: IRTMT900SSE 

    160mm (External Spline Type)

    Mfg PartNum: IRTMT900SE 

    180mm (External Spline Type)

    Mfg PartNum: IRTMT900ME 

    203mm (External Spline Type)

    Mfg PartNum: IRTMT900LE 

    Ordered by Most Relevant First
    5 stars
    4 stars
    3 stars
    2 stars
    1 stars
    (7)
    (0)
    (0)
    (0)
    (0)
    (100%)
    (0%)
    (0%)
    (0%)
    (0%)
    Reviewed 11/22/2021
    by Anonymous
    Cycling Enthusiast
    Tampa FL
    Value Rating
    Overall Rating
    Great option for squeaking Dura Ace brakes, replaced my Dura ace with these, worth the money.

    no more noise when stopping.

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    Reviewed 7/12/2021
    by Veloci1
    Southern cal
    Overall Rating
    Xtr disc are the best

    I am using these on my road bike. They are light and perform better than expected.

    I am using them with sram red calipers and i am very satisfied.

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    Reviewed 4/17/2021
    by John
    Viera Florida
    Overall Rating
    2 of 2 customers found this review helpful.
    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!

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    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.

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    Reviewed 10/29/2021
    by BBC
    Cycling Enthusiast
    Beaverton, OR
    Overall Rating
    Shimano XTR Rotors AKA Dura Ace 9200 Rotors

    After catching wind of world tour riders using these on the road I ordered a set to see how they felt compared to the regular Dura Ace / Ultegra rotors, suffice to say its why this is the new road rotor for the 9200 group.

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    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.

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    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.

    Was this review useful to you? Yes/No
    Thank you for your feedback.

    We are committed to delivering outstanding value and service to our customers, every day.
    Try us today to see why so many of our customers come back again and again.

    *Orders received before 3:00PM Pacific time are shipped the same day (Mon-Sat). Orders over $50
    are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 95

    SUBSCRIBE

    Want to save on all your Bike Tires Direct purchases? Sign up here for exclusive discount offers.

    BikeTiresDirect on Facebook BikeTiresDirect on Instagram BikeTiresDirect on Strava
    5741 NE 87th Ave (I-205 exit 23B) Portland, OR 97220 | 800-682-0570 | [email protected]