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Shimano Dura-Ace CS-9100 11-Speed Cassette 11-25 Cassette 11spd
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Shimano
Dura-Ace CS-9100 11-Speed Cassette

Mfg PartNum:
$269.99-$292.99
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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

What a spread.

The Dura Ace CS-9100 11-speed cassette uses a carbon / alloy carrier and titanium for the largest five cogs for lightweight performance that meets the demands of the world's best riders. This latest iteration introduces a new 11-30 gearing option for those who are hitting the steeps or equipping their adventure bikes with Shimano's latest Dura Ace group.

Claimed weight is 175 g (11-25 cassette).

Cog sizes:

  • 11-25T: 11-12-13-14-15-16-17-19-21-23-25
  • 11-28T: 11-12-13-14-15-17-19-21-23-25-28
  • 11-30T: 11-12-13-14-15-17-19-21-24-27-30
  • 12-25T: 12-13-14-15-16-17-18-19-21-23-25
  • 12-28T: 12-13-14-15-16-17-19-21-23-25-28

Open Box - This product has one or more Open-Box units available. These units can be purchased at a discount (see option select). Open-Box units are brand-new and contain all standard parts and accessories. The full manufacturer warranty applies.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

 

Cassette Type: Shimano 11 

11-25 Cassette 11spd

Mfg PartNum: ICSR910011125 

11-28 Cassette 11spd

Mfg PartNum: ICSR910011128 

11-30 Cassette 11spd

Mfg PartNum: ICSR910011130 

12-25 Cassette 11spd

Mfg PartNum: ICSR910011225 

12-28 Cassette 11spd

Mfg PartNum: ICSR910011228 

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Shimano Dura-Ace is the standard all groupset should measure up to
by cjharrer
Competitive Racer
Downingtown PA
4 of 4 customers found this review helpful.

I love the look and polish of Campy, but I switched to Shimano Dura-Ace years ago and haven't looked back. It is in my opinion the best high end groupset for the money. Easy to service, easy to maintain, easy to get parts. The Dura-Ace cassette is lighter than Ultegra and 105, does it really matter - to me yes it does. I have high end carbon whees and bike so I want all weight advantages I can get. This cassette with dura-ace chain and derailleur is quick, crisp shifting!

Reviewed 9/24/2020
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The best!
by Anonymous
Cycling Enthusiast
Vista, CA
3 of 3 customers found this review helpful.

I have Dura Ace on both my bikes. A very smooth ride!

Reviewed 8/20/2019
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High quality part
by Hank
Cycling Enthusiast
Portland
6 of 6 customers found this review helpful.

I needed a second set for my trainer and wanted to match exactly my bike to keep change over time at a minimum. Good price and high quality.

Reviewed 9/25/2017
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seamless, lite shifting, using durace electronic shifters
by Imad
Daily Commuter
Portland, OR
4 of 4 customers found this review helpful.

lots of short, steep climbs and rolling hills

Reviewed 6/22/2017
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Extra for carbon wheel set
by RoboKrause
Manhattan, KS
2 of 2 customers found this review helpful.

Duracesmooth as butter. Had to get an extra for my new carbon wheelset. Didnt wanna keep pulling off my cassette. I do find the 30t a nice bump for those 22% grades I never ride.

Reviewed 8/19/2019
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Shimano parts always work as described and never disappoint.
by OHRider
Cycling Enthusiast
Cleveland, OH
3 of 3 customers found this review helpful.

Transitioning to Shimano Dura-Ace Di2 after many years on Campy mechanical. This cassette forms part of what is a very well designed and reliable drive train.

Reviewed 8/16/2019
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Durable, quality cassette
by Stephen
Mi
4 of 4 customers found this review helpful.

30 cog is perfect for rolling terrain.

Reviewed 2/4/2019
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Shimano What can i say!!!!
by Red
Cycling Enthusiast
Woodland Hills, CA
5 of 6 customers found this review helpful.

Shimano has always come out with great products and always cutting edge in technology. This cassette by far is the best cassette i've ever used, so light and gotta love that 30 gear...

Reviewed 9/7/2017
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Quality as usual
by Anonymous
2 of 2 customers found this review helpful.

Shimano high end parts are that , high end and a lot of companies try to copy it but shimano know there stuff. Expensive but worth what you pay

Reviewed 1/28/2019
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