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Your cart is empty.Built for a quiet and consistent braking performance, the Shimano RT-CL800 Rotor is ideal for long, steep descents where trusting our brakes is key. It features Ice Technologies with Freeza rotor construction to allow for a longer pad life, less noise, and long-lasting durability. The RT-CL800 rotor is part of the Shimano GRX 11-speed groupset and features a center lock system to allow for the easiest possible installation with a lock ring and spline mount.
James P
Reviewed in the United States on March 8, 2025
I love this thing. So easy to install and I don’t know that I’ll ever need a new one.
Dustin R.
Reviewed in the United States on August 6, 2024
These are one step under Dura Ace - I got these for a second set of wheels for summer riding on my gravel bike. The bike came stock with RT70. These are nearly identical just a bit lighter. I'm very happy with them. They compliment the upgraded wheels and tires perfectly. I had to realign the brakes after remounting the wheels so the discs wouldn't rub. It was not difficult once I found the right youtube video.
JB Ng
Reviewed in the United States on February 27, 2024
This review not about the product quality. I love shimano. BUT Send me used and damage items, missing lock ring, paperwork . I ordered two, one for 140mm and one 160mm. Received 140mm in brand new condition and 160mm in used and scratches and damage. Disappointed
Brian P. Dalton
Reviewed in the United States on October 25, 2024
Excellent performance in all conditions..Fast ship too
Charles P.
Reviewed in the United States on October 18, 2024
Rotor works well. Have only used it for 1 year and wear is minimal.
Xavinoo
Reviewed in the United States on October 16, 2023
They look fast just standing still! But these aren’t designed for speed - quite the opposite. Great braking performance with minimal squeal depending on pads used. Its the Shimano quality you’ve come to love and expect!
fuel98rider
Reviewed in the United States on April 30, 2023
Shimano brake rotors are the gold standard, and these are no different. These replace the older Ultegra rotors I had been using on my gravel bike. They don’t look as flashy as the older Ultegra rotors, but they work just as well. The arrived straight and true, and installed easily with the Park tool. I’ve put about 400 miles on them and they work well and stop quick with no issues.
Taylor
Reviewed in the United States on April 19, 2023
This should include both the rotor and the lockring in the package, but the lockring was missing.
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