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Shimano Dura-Ace RT-CL900 Disc Rotor

ShimanoDura-Ace RT-CL900 Disc Rotor(Return to Product Page)

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User submitted reviews

Review by Daniel

Good looks and known quality
by Daniel
Cycling Enthusiast
Per�

Bought this to replace my stock ultegra rotors. Can't seem to perceive the improved heat management but my comparable XTR rotors on XC bike seem to last forever. Also, bling factor was main decision driver, now I get a lot of "WOW where did you get that?" that add a couple more watts to my rides. Would recommend.

Reviewed 5/2/2024
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Review by ChanS

Descend with confidence
by ChanS
Cycling Enthusiast
Cincinnati OH
1 of 1 customers found this review helpful.

I'm very late to the disc brake party. I've had a decent commuter bike with discs and appreciated how big a difference they made versus rim brakes, especially in wet weather but my commute doesn't really stress out the system. I recently bought a speedy Italian bike, though, and decided to pick it up over there and tour the Dolomites then hit the Alps. I can't say enough about how much better descents are with these. Excellent stopping power, smooth modulation, no noise, and no issues even as I got more and more aggressive.

Reviewed 1/17/2024
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Review by Anonymous

Quality rotor for excellent brakes
by Anonymous
Cycling Enthusiast
Sparks, NV
3 of 3 customers found this review helpful.

2017 Specialized Roubaix just passed 38,000 miles and this is the third back rotor for the bike. I live in Sparks, Nevada, and enjoy many significant downhill decents in the area. Good braking is a necesity when decending from Ebbetts and Monitor Passes, and I find these rotors prevent brake fade. I weigh 200 lbs and the back rotor is only 140 mm so it gets severly punished. I stayed with the Dura Ace model as I prefer black to the silver of the Ultegra version. It will last for several years so I am willing to pay a little extra. Overall a good rotor.

Reviewed 7/24/2023
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Review by Horsefeathers25

A major improvement over original disc
by Horsefeathers25
Cycling Enthusiast
Albuquerque, NM

Replaced my Ultegra discs with these new version Shimano Dura Ace discs after Ultegra disc were used up.

These Dura Ace disc were absolutely flat, no variation from true within the brake pads.

Very pleased with their performance.

Reviewed 9/7/2023
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Review by Sirbike2

Better then old Dura Ace
by Sirbike2
Cycling Enthusiast
Portland, OR

These don't seem to suffer from the heat warp that the old dura ace rotors did. They are great

Reviewed 7/6/2023
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Review by Jim

Great rotor
by Jim
Florida

Nice stopping, low noise.

Reviewed 12/4/2023
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Review by Gary B

Typical high quality from Shimano
by Gary B
CLEARFIELD

New, cleaner look with typical Shimano reliability.

Reviewed 10/1/2023
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Review by Anonymous

Fast and reliable
by Anonymous
Clermont Florida
1 of 1 customers found this review helpful.

These are awesome rotors. Tried them on steep downhill descents and they were amazing and stopped solidly. Best rotors i have of all my bikes

Reviewed 9/28/2023
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Review by MW

Top notch looks and performance with the latest Dura-Ace rotor
by MW
Canada

Great and lightweight Dura-Ace rotor. Seems to have an improved design to prevent warping, though I haven't experienced any warping on prior generations. Great quality as always from Shimano

Reviewed 4/28/2023
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Review by Roger

Excellent Shimano quality
by Roger
Cycling Enthusiast
Portland OR

Used this to replace my front rotor, which had worn thin. Works great!

Reviewed 12/8/2022
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