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Shimano Dura-Ace SM-RT900 Rotor - Centerlock

Shimano Dura-Ace SM-RT900 Rotor - Centerlock
$71.99

Item # SHI00E1

4Reviews
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  • One Color, 160mm ($71.99)
  • One Color, 140mm ($71.99)
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Item # SHI00E1

Description

Effective heat dispersion on long descents.

The Shimano Dura-Ace SM-RT900 Rotor prevents brake fade on extended descents where you'd normally experience a major decrease in stopping power on the road. This Freeza Rotor is part of Shimano's newest Dura-Ace hydraulic disc brakes, meaning they're compatible with the Dura-Ace BR-R9170 caliper and Ice-Tech pads. They're compatible with frames that accommodate flat-mount disc brakes and attach to Shimano's proprietary Centerlock hub system.

The 3-layer rotor construction has a stainless steel braking surface with an alloy core featuring finned cut-outs for effective heat dispersion. Shimano claims heat is reduced by up to 50-degrees Celsius, which is significant when you're riding along mountainous terrain where sustained descents pose a threat to your stopping power.

  • FREEZA rotor reduces heat by up to 50-degrees Celsius
  • 3-layer construction dissipates heat on long descents
  • Stainless steel braking surface with aluminum core
  • Shimano Centerlock attachment with included lock ring
  • Compatible with Dura-Ace BR-R9170 disc brake caliper
  • Recommended for use with Shimano Ice-Tech brake pads

Tech Specs

Material:
[core] aluminum, [braking surface] stainless steel
Attachment Type:
Centerlock
Compatibility:
Shimano Dura-Ace BR-R9170 calipers, Ice-Tech brake pads
Diameter:
140mm, 160mm
Claimed Weight:
[140mm] 96g, [160mm] 119g
Recommended Use:
road cycling
Manufacturer Warranty:
3 years

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Reviews & Community

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Avg. ride time: 4h 54m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Stoppin' not droppin'

  • Familiarity: I've used it several times

These rotors are sweet. They have everything you need on a road bike, good looks with even better performance. I installed these on my S-Works Tarmac Disc and couldn't be happier. We live in Utah and descend a lot, they stop well, are silent and true. Highly recommend these due to form and function. Please let me know if you have questions. igonder@competitivecyclist.com

Baller Status

  • Familiarity: I've put it through the wringer

Running Dura-Ace brakes? You need Dura-Ace rotors, duh!
Shimano has really put emphasis on heat management at the rotor level and it is very cool to see how the technology has advanced. These new Dura Ace rotors do an excellent job of dumping heat on long descents that require lots of hard braking.

Awesome rotors.

  • Familiarity: I've put it through the wringer

I feel a little silly using Dura Ace rotors on an Ultegra-equipped gravel bike, but what the heck. You only live once, right?

Fantastic stopping power, and the extra large fins do a great job of helping dissipate heat when braking a lot on long, steep descents.

Can I use these with a SRAM Red eTap HRD setup?

Can you? Yes. Should you? Not really. SRAM & Shimano pads are shaped differently, and thus will contact the rotors differently. You may end up with a pad that’s only 90% in contact with the rotor or which pulses under braking ... but they will work in a pinch.

Dura ace rotors

  • Familiarity: I've used it several times

I’m not new to road bikes but I am definitely new to road disc brake bikes. I purchased these rotors because my Schramm rotors were bending therefore causing break r I purchased these rotors because my Schramm rotors were bending therefore causing break rub. After stalling these door is rotors I found I have no brick road and structurally sound and the stopping power and performance is superior to anything that I have ever experienced and wet or dry conditions I recommend these rotors to anyone