Signin to Your Account
Questions? Call our tri Specialists! 1-800-445-4790
COVID-19 Response
Click to zoom
140mm IceTech - Centerlock
Shimano Ultegra SM-RT800 Disc Rotors

Ultegra SM-RT800 Disc Rotor

Mfg PartNum:
In Stock Now
Ships Free!
Earn $5.89 in Podium Club credit. Click to Learn More.
This size is not eligible for Podium points
Please Confirm Size
Qty Discount
Save up to 15% more. Click for quantity prices
Qualifies for Free Shipping!

As cold as ice.

Featuring a new Ice-Tech FREEZA design, these Ultegra RT-800 Center Lock Disc Rotors are designed to provide superior heat management for serious road cycling with disc brakes. Whether you're out for a white-knuckle descent or an ultra-distance ride through the hills, these rotors hybrid steel and aluminum construction rapidly dissipate heat for a 50ÂșC cooler rotor surface.

The Shimano Ultegra SM-RT800 Disc Rotors are Centerlock compatible. Available in two sizes: 140mm and 160mm.


Brake Pad Type: Disc 


Brake Type: Disc 

140mm IceTech - Centerlock

Mfg PartNum: ISMRT800SS 

160mm IceTech - Centerlock

Mfg PartNum: ISMRT800S 

Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
Great stopping power
by Anonymous
Cycling Enthusiast
Hillsboro, OR

When one of my rotors was fouled with hydraulic fluid I upgraded both to Ultegra. They work very well and the center lock design makes them very easy to install with just a cassette tool and chain whip.

Reviewed 5/13/2019
Was this review useful to you? Yes/No
Thank you for your feedback.
Great Product!
by LLaud
Competitive Racer
West Virginia

Nice finish with great stopping power!

Reviewed 4/15/2019
Was this review useful to you? Yes/No
Thank you for your feedback.