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Shimano Ultegra CS-6700 10-Speed Cassette 11/23 Tooth
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Shimano
Ultegra CS-6700 10-Speed Cassette

Mfg PartNum:
$74.99
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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)

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.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

 

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 

Mfg PartNum: ICS670010230 

11/25 Tooth

Mfg PartNum: ICS670010125 

11/28 Tooth

Mfg PartNum: ICS670010128 

12/25 Tooth

Mfg PartNum: ICS670010225 

12/30 Tooth

Mfg PartNum: ICS670010230 

Ordered by Most Relevant First
5 stars
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(19)
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Great upgrade for 10 speed road bikes
by Mac
Cycling Enthusiast
Portland, OR

So fantastic having such a great shop close by. Thanks again.

Reviewed 8/10/2021
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It. Just. Works.
by Anonymous
Cycling Enthusiast
Arvada, CO

Easy to install. Works just as expected, with no shifting issues whatsoever.

Reviewed 8/9/2021
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Shimano drive trains deserve Shimano replacement parts
by Anonymous
Cycling Enthusiast
Shreveport, LA

Shimano parts, especially Ultegra, are a bargin when you factor in the quality in all aspects and the durability when maintianed.

Reviewed 8/12/2021
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Great purchase
by Anonymous

Great part obviously, good price and delivery

Reviewed 8/3/2021
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Outstanding cassette at a great price!
by Steve
Daily Commuter
Murrieta, Ca.
2 of 2 customers found this review helpful.

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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great gears for heavy cyclist
by Anonymous

easy shifting, gear ration great for mountains and hills. easy to find right gear for a heavy rider.

Reviewed 7/29/2021
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Found what I needed
by Anonymous
2 of 2 customers found this review helpful.

What I needed

Reviewed 5/23/2021
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If there is a better 10-speed Ultegra cassette, I am not aware of it!
by Anonymous
Daily Commuter
Seattle
1 of 1 customers found this review helpful.

So many teeth.

Reviewed 5/13/2021
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Good durable product
by DuckFan bike rider
Cycling Enthusiast
Eugene, OR
1 of 1 customers found this review helpful.

Replaced a well worn Shimano cassette and chain at the same time. Both new components work well together.

These parts were used to rebuild an old (1982) steel frame bike. Nice improvement!

Reviewed 11/16/2020
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As� cinco
by Principiante
Vancouver WA
2 of 2 customers found this review helpful.

Cuando sientes la diferencia con mi viejo cassette

Este es un casete para velocidad si es que uno tiene buena resistencia en las piernas se puede sentir muy suave lo recomiendo

Reviewed 4/30/2021
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Cassette and Shimano RS 500 Wheelset
by Michael Reese
21062 E. Via Del Sol, Queen Creek, AZ 85142
2 of 2 customers found this review helpful.

Bought this Ultegra cassette to go wih my new wheelset. I concur with claim that is better shifting. It is very smooth and precise.

Also, enjoying the new wheelset. They are lighter than my old Mavic wheels. They roll better, ride better and give me the option to go tubeless in future.

Reviewed 10/14/2020
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Great Cassettes
by Mike
Chicago
1 of 1 customers found this review helpful.

As long as your derailleur is correctly adjusted this will shift well. Sharp and clean shifts. I used it with Dura-ace derailleur

Reviewed 4/15/2021
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Easy fit
by Rich
Cycling Enthusiast
Madison, WI
1 of 2 customers found this review helpful.

This was an upgrade to make the hills a little easier. Not surprisingly, it was an easy fit to replace the existing Shimano 10-speed cassette. The 30 tooth cog was one size larger than spec'ed by Shimano for my derailleur, but it shifts well and didn't require a modification of the chain. Easy and inexpensive upgrade.

Reviewed 8/24/2020
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easy to change out, shifts well
by Anonymous
Cycling Enthusiast
the mts. between Scappoose and Vernonia, or.
3 of 3 customers found this review helpful.

If I had paid more attention to my worn out chain, I wouldn't have had to change the cassette yet. It works, shifts good, no problems

Reviewed 6/20/2020
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It is a nice Shimano cassette.
by Anonymous
Cycling Enthusiast
Trent Lakes, Ontario ,Canada
0 of 1 customers found this review helpful.

II have not used the new cassette because of weather restrictions, ICE and SNOW

Reviewed 1/4/2021
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IN HOME BIKE WORKOUT DREAM COME TRUE
by M&G
Cycling Enthusiast
Olympia, Washington
2 of 2 customers found this review helpful.

EASY TO USE AND WE LOVE THE VIRTUAL RIDES ON LINE

Reviewed 12/31/2020
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Great Deal on loving life on 2 wheels!!
by Tim
Somis
2 of 2 customers found this review helpful.

I've used these for years! Nothing better out there!!

Reviewed 1/30/2020
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Nice cassette
by Anonymous
Canada
1 of 1 customers found this review helpful.

Arrived as advertised,can't wait to try in on my bike in the spring.

Reviewed 12/10/2020
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The cassette is fine. I don't have much to compare it with.
by jayne
Cycling Enthusiast
Tehachapi, CA
1 of 1 customers found this review helpful.

The cassette is fine. I think I should have gone with more gears. :)

Reviewed 12/4/2020
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needed 12-30 excellent results
by Tom
Cycling Enthusiast
L.I. New York
1 of 1 customers found this review helpful.

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

Reviewed 5/12/2017
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