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Shimano XTR RT-MT900 Disc Brake Rotor
Shimano XTR RT-MT900 Disc Brake Rotor


Shimano XTR RT-MT900 Disc Brake Rotor

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Shop the Shimano RT-MT900 Disc Brake Rotor at Free shipping on all Shimano RT-MT900 disc brake rotors. The RT-MT900 disc brake rotor offers better braking performance than previous generation rotors.

Shimano XTR RT-MT900 Disc Brake Rotor

In stock and ready to ship, the MT900 Rotor will be the replacement for the SM-RT900 Rotor and will be standard for all 12-speed group sets. It is also compatible with the 11-speed Shimano groupsets and offers improved braking power, less weight and optimal efficiency. Shop the Shimano XTR RT-MT900 disc brake rotors at, North America's premium Shimano dealer.

The pinnacle in mountain bike braking, SHIMANO XTR RT-MT900 disc brake rotors deliver superb stopping power for the most aggressive riding. The ICE TECHNOLOGIES FREEZA rotors dissipate heat to maintain braking performance on long downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.

High-performance and consistent brake performance
- Stable and versatile brake performance in the most demanding conditions

New ICE TECHNOLOGIES FREEZA construction for boosting heat dissipation
- Surface temperature cooled by -20°C (vs RT99, 203 mm)

DIAMETER 140mm, 160mm, 180mm, 203mm
MATERIAL Steel & Aluminum
INTENDED USE XC, Trail, Gravity
WEIGHT 140mm-90g |160mm-108g | 180mm-133g | 203mm-149g
    Return Policy

    Please email for returns, defects or order issues. Do not contact our chat support.

    Final Sale

    Items marked Final Sale are not returnable for any reason.  If there is a problem with your order please send an email to

    Our Policy

    To provide our customers with the flexibility and confidence to shop online, our return policy is 30 days. If opened, items must be defective or unused, and returned with original undamaged packaging to be eligible for a refund. All returns must be pre-approved via our return centre before being shipped back to our warehouse or returned in person to our 2205 West 1st location in Vancouver. Refunds can take up to 7 days to process and are reflected on your method of payment. Refunds will only be issued once the product is received, inspected, and approved by our receiving team. The amount will be refunded to the original form of payment and, in some circumstances, we may charge a restocking fee or refund to store credit. The date on which you placed your order is used to determine the return time frame.

    Returns, not exchanges.

    We do not offer exchanges. If you are looking for another size or colour, place a new order through our website, and then visit our return centre.

    Shipping and Fulfilment

    Order Fulfilment, Delivery, and Local Pick-up:

    In-stock orders will be ready for pickup within 24-48hrs. Please wait for confirmation email prior to pickup.

    In-stock orders will be shipped within 24-48 hours of placement.

    For local pick-up, we will contact you when your item is ready. Please bring a copy of your order confirmation and identification when you pick up your order.

    Shimano XTR RT-MT900 Disc Brake Rotor
    Shimano XTR RT-MT900 Disc Brake Rotor