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Shimano Ultegra CS-6700 10-Speed Cassette

ShimanoUltegra CS-6700 10-Speed Cassette(Return to Product Page)

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(115 customer reviews)
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User submitted reviews

Review by Anonymous

A great product.
by Anonymous

Shifting well with my SRAM red.

Reviewed 10/24/2024
Thank you for your feedback.

Review by Anonymous

A great product.
by Anonymous

Shifting well with my SRAM red.

Reviewed 9/26/2024
Thank you for your feedback.

Review by Steve

Outstanding cassette at a great price!
by Steve
Daily Commuter
Murrieta, Ca.
3 of 3 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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Review by veloptuous

The Ultimate road cassette
by veloptuous
Cycling Enthusiast
Rocky Mountains
1 of 1 customers found this review helpful.

I have been using the Ultegra cassettes for years. You can spend much more on a cassette but you won't get a better one. These work as well as anything and just last and last and last. Dura-Ace might save a gram or two and work the same, but it won't give you the long service life the Ultegra does. If you want a cassette that you can install and more or less forget about all while enjoying beautiful shifts day in and day out - this is it.

Reviewed 7/13/2022
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Review by Anonymous

Smooth shifting, good value
by Anonymous
Cycling Enthusiast
Phoenix AZ
3 of 3 customers found this review helpful.

I needed to replace my 10-speed Dura-ace cassette because of worn cogs and was originally looking for a Dura-ace 10-speed cassette. Not only were they difficult to find, but the few I found were extremely expensive! I "settled" for this Ultegra cassette and I am very glad I did. Not only is it waaay less expensive, but the shifting is just as clean and crisp as my Dura-ace cassette. Even though I know there is a weight difference, I really can't feel it in any way. I have it paired with a SRAM hollow-pin chain and the combination works extremely well. I would definitely recommend this cassette.

Reviewed 5/24/2022
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Review by ChazMan

Great cassette
by ChazMan
Cycling Enthusiast
Metro Detroit
2 of 2 customers found this review helpful.

I have the 12-23 and have probably 10,000 miles on it, rarely going 150 miles or more without a thorough cleaning. Works great! I like the 12-23 because I can stay in my big chainring for all but the toughest climbs on my usual routes, and the middle few gears are only 1 tooth difference so I have that nice stair-step up and down the gears so I'm always in a comfortable cadence in nearly all riding conditions. Never feel like I'm in a gear too low or high.

Reviewed 3/2/2022
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Review by biggcycles

Great 10 speed Cassette
by biggcycles
Cycling Enthusiast
Buffalo, NY

Great sale price for my 2007 steel Masi.

Reviewed 4/8/2024
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Review by Mac

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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Review by Anonymous

Great cogset
by Anonymous
Sacramento CA.

Works perfect for me , new cogset new chain flawless shiffting .

Reviewed 7/18/2023
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Review by EdBell

Can�t go wrong with shimano ultra Ra!
by EdBell
Sonoma

I was struggling with hills using the 28 tooth cassette I had so I moved up to the 30 which gave me what I needed. Nothing shimano has ever let me down

Reviewed 6/12/2023
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Review by Tom

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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Review by Weekend Road Rider

Works well.
by Weekend Road Rider
Casual Cyclist
Silicon Valley, CA
3 of 5 customers found this review helpful.

When the road bike had about 16,000 miles on it, the shifting started becoming erratic. The chain would jump between gears on the rear cassette, and cleaning and carefully adjusting the rear deraileur didn't help. I replaced the cassette, the chain (which only had about 4000 miles on it), and the shifter cable, all at the same time. Now the shifting works fine, but I'll never know if it was the cassette, the chain, or the cable that fixed the problem. The cassette is well made and easy to install if you have the right cassette tool and chain whip, otherwise it would be very challenging. The next time I encounter shifting problems, I'll start by just replacing the cable before replacing the more expensive parts.

Reviewed 3/28/2017
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Review by Anonymous

Exact cassette i needed.
by Anonymous
Cycling Enthusiast
Oklahoma
3 of 3 customers found this review helpful.

My old cassette was pretty worn so when I saw the Ultegra was on sale, I jumped on it. Great quality product at a great price....Thanks Bikeworks!

Reviewed 2/2/2017
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Review by Kilorider

works perfect, runs and shifts smoothly!
by Kilorider
Competitive Racer
San Francisco, Ca
1 of 1 customers found this review helpful.

Used it for a hard TT climb where a 23 was too big, the 28t was great.

Reviewed 1/9/2017
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Review by Bob Walsh

Good Group Set
by Bob Walsh
Buffalo,NY
2 of 4 customers found this review helpful.

I find Ultegra cassettes bullet proof and a good value for my training bike. They are relatively inexpensive and last a long time if you take care of them. Highly recommended.

Reviewed 1/5/2017
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Review by EBTrails

Thanks, Shimano for off road gearing options
by EBTrails
Cycling Enthusiast
East Bay, CA
1 of 1 customers found this review helpful.

Finally gearing that is intermediate between Mountain and race. The 12-30 10 speed is perfect on my cross bike for some serious off road and touring rides. Shimano quality is also a big plus - quick shifting and durability is a given. I bought the cassette for a loaded tour and now use it to take on local MTB trails. It has made the cross bike more versatile and fun. I would recommended for adventure rides, steep road climbs and tours!

Reviewed 1/4/2017
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Review by twain

Great value
by twain
Competitive Racer
redwood city
2 of 4 customers found this review helpful.

I am still running 10 speed. Needed a new cassette for a new Hed wheel. For $XX, these are incredible deal! The finish holds up really well, too. Seems to be more durable than Dura Ace for a lot less $ and just a little more weight.

Reviewed 12/21/2016
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Review by Anonymous

Shimano drive trains deserve Shimano replacement parts
by Anonymous
Cycling Enthusiast
Shreveport, LA
1 of 1 customers found this review helpful.

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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Review by Anonymous

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
Thank you for your feedback.

Review by Rick

10 speed cassette
by Rick
Seattle

Great to be able to still get this for my old 10 speed drivetrain on my "bad weather bike" fast turnaround as usual. Glad Portland and Seattle are close!

Reviewed 3/27/2023
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