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Shimano
Ultegra CS-R8000 11 Speed Cassette

  (24 customer reviews)
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Providing high performance with low weight, the new Shimano Ultegra CS-R8000 11 Speed Cassette is designed to deliver top-tier shifting with a wide variety of gearing options. Carrying over the same cogs-on-carrier design, the largest 5 cogs of this cassette are mounted to a lightweight carrier for further weight reduction and improved strength. With a durable construction of nickel-plated steel cogs, this cassette is ready for seasons of corrosion-resistant riding.


Gearing and weights:

  • 12t – 25t (243 grams): 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 25.
  • 11t – 25t (224 grams): 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 25.
  • 11t – 28t (251 grams): 11, 12, 13, 14, 15, 17, 19, 21, 23, 25, 28.
  • 11t – 30t (269 grams): 11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30.
  • 11t – 32t (292 grams): 11, 12, 13, 14, 16, 18, 20, 22, 25, 28, 32.

12-25T

Cassette Type: Shimano 11 

11-25T

Cassette Type: Shimano 11 

11-28T

Cassette Type: Shimano 11 

11-30T

Cassette Type: Shimano 11 

11-32T

Cassette Type: Shimano 11 

14-28T

Cassette Type: Shimano 11 

Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
(20)
(4)
(0)
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(83%)
(17%)
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Ultegra Quality
rating
by ShayneB
Louisville, KY

Solid cassette at a great price. Installed on a new wheelset. Shifting is smooth and precise. Does everything it is designed to do well.

Reviewed 9/20/2018
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Five stars, of course its Shimano!
rating
by Mark12
Downers Grove, IL

Just updated my Trek Madone with this wider range cassette. It is perfect!

Reviewed 8/9/2018
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Smooth Shifting
rating
by DPK
Competitive Racer
NorthWest NJ

This cassette works like a dream. Smooth shifting and I always seem to have the gear I need. Nice!

Reviewed 6/14/2018
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Great cassette
rating
by hzayas42
Jersey

This cassette makes my rides more enjoyable, I expect it to last a long time given Shimanos reputation.

Reviewed 6/4/2018
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Works flawlessly like most Shimano products...
rating
by chrichardsm6
Cycling Enthusiast
Walnut Creek, CA

I use it for mountain climbing. Long grades above 10% require me to stand in a 34x28, so this just makes the difference between sitting and standing.

Reviewed 6/1/2018
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Shimano Ultegra 11-30
rating
by Topcow
Los Angeles
1 of 1 customers found this review helpful.

Im really enjoying this new cassette for climbing. Im running this 11-30 with a SRAM RED mid compact setup. Very smooth shifting.

Reviewed 1/28/2018
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Good Price, great service - works as one expects from Shmano
rating
by Bob W
Cycling Enthusiast
Portland, OR

Not much to say about a cassette - other than works well, WBW has great prices and fast service - and Ultegra level has great value.

Reviewed 1/25/2018
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Perfect shifting
rating
by Fairlyunreliable
Portland
1 of 1 customers found this review helpful.

The Ultegra cassette has always been the best balance of price and performance. With the release of the 8000 series comes the new 11-30 cassette, which I really loved for cyclocross. Having the 30t was nice to have on steep courses over the 28 but only a little bit heavier.

Reviewed 1/1/2018
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Ultegra 8000 cassette
rating
by Mark lipchick
Eugene, OR
2 of 2 customers found this review helpful.

Excellent substitute for dura ace with better wear characteristics and only a slight wieght penalty, much lighter on the wallet too.

Reviewed 11/6/2017
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awesome
rating
by Aaron
Cycling Enthusiast

love it... quiet.. use it on sram etap... i think it is better than red cassettes

Reviewed 12/6/2018
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Fast delivery.
rating
by Anonymous
Competitive Racer

The cassette is lighter than the 105 version and feels like it delivers smoother shifting. Not as light as Dura Ace but more durable and more value for the money spent.

Reviewed 11/29/2018
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No drop off from DuraAce
rating
by Gwpelham
Cycling Enthusiast
Northern Nevada

Used to replace Dura Ace cassette. Its heavier but no drop off in shifting.

Reviewed 9/17/2018
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50 miles a week
rating
by Anonymous
Nashville
1 of 1 customers found this review helpful.

Upgraded from an 12-25 105 cassette to an 11-28 Ultegra cassette (hills) and can actually feel smoother shifting with all of the rest of the components remaining 105.

Reviewed 9/14/2018
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Reliable smooth shifts
rating
by Jalan
NewEnglad

Have these on two road bikes. Cannondale Evo Hi Mods- one with DI2 and the other with Dura Ace year. Pretty simple works well all the time with both set ups. Minor weight penalty vs DA cassette but not noticeable. Have one less adult beverage and you made up the weight difference.

Reviewed 11/5/2018
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Smooth shifting
rating
by Cat6Junior
Competitive Racer
Georgia

I have been riding SRAM for the past 10 Years and I changed to Shimano last year. The shifting is smooth as butter and easy on the hands. So far it has been a good change.

Reviewed 9/11/2018
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Great for climbing
rating
by Anonymous

I had a 11x28. I talked to my coach about the climbs we were planning to do. I switched to this and was happy I did!

Reviewed 9/17/2018
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A
rating
by GABiker
Competitive Racer
Atlanta, GA

Sure, DA is a little lighter, but Ultegra is a far better value.

Reviewed 7/12/2018
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Works so good
rating
by Bubba
Nashville

This thang just plain works. Aint much money. Works real good. Still going strong like my John Deere. Buy it if you need it.

Reviewed 6/18/2018
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Ultegra CS-R8000
rating
by Anonymous
illinios

Great cassette. Great for the ranges I bike in.

Reviewed 6/11/2018
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Great climbing cassette.
rating
by Ramon
Cycling Enthusiast
Bakersfield, CA

This cassette works real well when climbing.

Reviewed 3/15/2018
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