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Shimano RT-MT900 Rotor
Sale price
$59.99
Regular price
$95.00
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In Stock Ships in 1-2 weeks based on its location
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SKU: IRTMT900SSE Option: Black / 140mm
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Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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Shimano RT-MT900 Rotor
$59.99
Shimano RT-MT900 Rotor Info
The Shimano RT-MT900 Rotor sits at the top of Shimano's rotor lineup — built from an ice-technology two-piece construction that bonds aluminum to stainless steel to pull heat away from the braking surface faster than a single-material rotor can. The result is more consistent braking on long descents and repeated hard stops, where rotor temperature is the thing standing between you and reliable modulation.
A heat-dissipating paint on the exposed aluminum layers is designed to lower rotor temperatures by up to 20°C compared to conventional designs — a measurable difference when you're pushing hard on technical trail or loaded endurance rides. The four size options cover a wide range of use cases: the 140mm is aimed at cross-country riders where every gram matters, while the 160mm, 180mm, and 203mm step up progressively for trail riding, aggressive enduro, and heavy-load applications where thermal management and raw stopping power take priority. All four use centerlock attachment and are compatible with Shimano disc brake calipers across XTR, XT, and 12-speed road groups.
Shimano RT-MT900 Rotor Specs at a Glance
- Available sizes: 140mm, 160mm, 180mm, 203mm
- Construction: Two-piece aluminum and stainless steel (Ice Technology)
- Attachment: Centerlock
- Heat dissipation: Designed to reduce rotor temperature by up to 20°C
- Compatibility: Shimano XTR, XT, and 12-speed road disc calipers
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!