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Shimano
Ultegra CS-6700 10-Speed Cassette

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MSRP:$69.99
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Shimano's Ultegra-level 10-speed features trickle-down technology from their 10-speed Dura-Ace 7900 group, and is a great choice for those looking to save a little cash without sacrificing performance or adding too much weight. Shimano's tight manufacturing tolerances allow for a strong and quick-shifting cassette, with revised ramps for higher performance than previous versions, even under load. Machined holes in the larger cogs help reduce weight, and the last three cogs are held together with a lightweight alloy carrier.

Compatible with Shimano and SRAM 10-speed systems. Weight: 236 grams (12/25). Available gearing options:

  • 11/23 Tooth (11, 12, 13, 14, 15, 16, 17, 19, 21, 23)
  • 11/25 Tooth (11, 12, 13, 14, 15, 17, 19, 21, 23, 25)
  • 11/28 Tooth (11, 12, 13, 14, 15, 17, 19, 21, 24, 28)
  • 12/23 Tooth (12, 13, 14, 15, 16, 17, 18, 19, 21, 23)
  • 12/25 Tooth (12, 13, 14, 15, 16, 17, 19, 21, 23, 25)
  • 12/30 Tooth (12, 13, 14, 15, 17, 19, 21, 24, 27, 30)

 

Weight: 236 grams

 

Weight: 236 grams

 

Freehub Compatibility: Shimano/SRAM 8/9/10 

 

Freehub Compatibility: Shimano 10 Speed Only 

 

Group Compatibility: Shimano 10 Speed 

 

Group Compatibility: SRAM 10 Speed 

 

Cassette Type: Shimano 10 

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consistently reliable Shimano performance
by EPcycle15
Cycling Enthusiast
Minneapolis

used on gravel bike that is used year round in Minnesota with a variety of terrains and climates, Ultegra cassettes have never failed to deliver smooth gear changes regardless of the ice, sand, mud, snow conditions exposed to.

Reviewed 1/10/2019
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Outstanding cassette at a great price!
by Steve
Daily Commuter
Murrieta, Ca.

I ordered this cassette to install on a wheel I also ordered. It went on easily and now have over 500 miles on it. Great product at a great price!

Reviewed 7/1/2018
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Does what it is supposed to do
by Jack
florida

It is a cassette. Not much more can be said it is reliable

Reviewed 11/30/2018
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Smooth shifting when paired with SRAM Red derailleur.
by Zoom
Des Moines, and throughout the U.S. and Europe

Smooth and precise shifts are the norm when used with a SRAM Red derailluer on my road or gravel bike.

Reviewed 10/22/2018
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Happy with purchase
by Anonymous
Cycling Enthusiast
Sacramento

I find using all Shimano drivetrain parts results in a well-engineered system and smooth shifting. This cassette works very well with the rest of my bike.

Reviewed 10/11/2018
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Excellent cassettes - ORiginal replacement
by Anonymous

Replacement of my original cassette with a larger 30 tooth cog. Excellent fit and quality.

Reviewed 9/17/2018
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Works as expected
by Anonymous

Great option for an extra wheelset

Reviewed 8/20/2018
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good value, received quickly, no problems
by Michael D
Cycling Enthusiast
Denver,CO

11-28 good compromise and does not need longer derailleur cage, Ultegra quite light

Reviewed 8/6/2018
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Very Happy With the results
by Anonymous
Cycling Enthusiast
Buffalo, NY

Easy to install with the right tools. Glad I made the change to this cassette.

Reviewed 7/30/2018
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Got gears you don't use?
by Anonymous
Daily Commuter
Sunnyvale, CA

Your bike probably has highlow rear cogs you don't use. Get a tighter cassette - awesome upgrade!

Reviewed 7/16/2018
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no problem, prompt delivery, good price and value
by Michael D
Cycling Enthusiast
Denver, CO

almost 1 oz lighter than previous version, so quite light. Dura Ace is a waste of money for 99% of riders in my opinion.

chose 11-28, versatile, no need to change to long cage derailleur, I use with compact in front (road bike) and mid in front (tri bike) hilly here and I am not young.

Reviewed 7/19/2018
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Solid Value, Great Quality
by IslandRider
Competitive Racer
Maui Hawaii

If you can't spring for the ridiculously priced DA or SRAM Red cassettes, Ultegra offers great quality, reasonable weight and a wide variety of gear-size options for a very affordable price point. I own at least six of these cassettes, in various tooth sizes, and they just do what they need to. Before living in Maui, I raced CX every year in Oregon and used these cassettes in brutal conditions where they'd get completely abused, packed with mud and debris and forced to keep on going. After post-race clean up, they were good as new. Important to always grease the splines on the cassette body when installing to extend the lifespan of both cassette and cassette body.

Reviewed 6/15/2018
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Good Cassette
by bmckinn8
Cycling Enthusiast
Salt Lake City, UT
0 of 1 customers found this review helpful.

Threw this on my trainer wheel, does the good perfectly.

Reviewed 6/5/2018
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Great product!
by Vince Tassa
Virginia

I was looking for one more lower gear for hills and this did exactly what I needed. As usual Shimano parts work great.

Reviewed 6/4/2018
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Good deal cassette
by FFA rider
Cycling Enthusiast
Portland OR
0 of 1 customers found this review helpful.

For the money it's the best deal. And eventually it will also wear out.

Reviewed 9/17/2018
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Ultegra casette
by Anonymous
Texas

Cnat complain about this casette. Needed an extra gear for my getting older knees. Went up to a 30-12. Grear component group.

Reviewed 5/22/2018
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Great product, great price on sale.
by Wambwaze
Cycling Enthusiast
West Hartford, CT

Offered at a great sale price, so I snapped it up!

Reviewed 5/25/2018
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Why pay more for Dura-Ace? to save weight??? Go on a diet!!
by colnitz
Daily Commuter
St Petersburg FL

Just used for commutes and heavy training.

Reviewed 9/19/2018
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needed 12-30 excellent results
by Tom
Cycling Enthusiast
L.I. New York

heavy compared to my preferred dura ace unit not available in 12-30

Reviewed 5/12/2017
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Solid Cassette
by B Wildman
Cycling Enthusiast
NW Indiana

Replaced a SRAM PG1070 w this. Comparable quality, shiftability. Maybe a tick heavier, but a better value.

Reviewed 5/3/2018
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