Shimano Dura-Ace CS-R9100 Cassette (Silver/Grey) (11 Speed) (Shimano HG) (11-30T)

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Shimano Dura-Ace CS-R9100 Cassette (Silver/Grey) (11 Speed) (Shimano HG) (11-30T)
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The Shimano Dura-Ace CS-R9100 Cassette Sprocket is the top level Dura-Ace 11-speed cassette. Featuring the pinnacle in lightweight and strong materials, Dura-Ace is the choice of the best riders on the planet.


  • Rider tuned gearing
  • Lightweight
  • CFRP & alloy spider arm, 5 titanium sprockets

Type: Cassette
Speeds: 11 Speed
Drive Type: Shimano HG
Color: Silver/Grey
Weight: 175g (11-25T), 193g (11-28T), 211g (11-30T), 189g (12-25T), 205g (12-28T)

Sprocket Configuration:

  • 11-25T: 11-12-13-14-15-16-17-19-21-23-25T
  • 11-28T: 11-12-13-14-15-17-19-21-23-25-28T
  • 11-30T: 11-12-13-14-15-17-19-21-24-27-30T
  • 12-25T: 12-13-14-15-16-17-18-19-21-23-25T
  • 12-28T: 12-13-14-15-16-17-19-21-23-25-28T
Learn about freehub bodies and cassette compatibility

This product was added to our catalog on March 7, 2018

Ted Shiroma
Verified Owner
Monday, May 6 2024 (6 weeks ago)
Shimano Dura-Ace CS-R9100 Cassette (Silver/Grey) (11 Speed) (Shimano HG) (11-30T)
I always use these Dura-Ace cassettes, even though my bike is Ultegra equipped. Can't beat the weight. Nashbar mails this out to me quick.