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Item # SHI0660

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  • Gray, 11x23 ($64.99)
  • Gray, 11x25 ($64.99)
  • Gray, 11x28 ($64.99)
  • Gray, 12x25 ($64.99)
  • Gray, 11x32 ($64.99)
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Item # SHI0660

Save where it matters, not where it doesn’t.

If you’re putting together a workhorse group, going sub-primo on the cassette makes a lot of sense. It’s the first part that’ll wear out if you’re logging serious miles, and since it sits at the center of the wheel, its effect on rotational weight is quite low. Shimano’s Ultegra 6800 Cassette consists of 11 steel cogs riveted onto an aluminum carrier that’ll help reduce wear on your freehub body, and comes in a wide variety of gear options, from a corncob-like 11-23 to a spin-to-win 11-32.

  • Steel cogs
  • Aluminum carrier
  • Variety of gear options

Tech Specs

Cog Sizes:
11 x 23 t, 11 x 25 t, 11 x 28 t, 11 x 32 t, 12 x 32 t
Cog Material:
Carrier Material:
Recommended Use:
road cycling
Actual Weight:
Gray, 11x23: 212g Gray, 11x25: 212g Gray, 11x28: 212g Gray, 12x25: 212g Gray, 11x32: 212g

Reviews & Community

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Shimano Ultegra 6800 Cassette

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Here's what others have to say...

Unanswered Question

I have dura ace di2 with a 11/28 cassette and 52/36 up front...its hard on long big climbs, can i change the cassette for this 11/32? is it compatible? will i sacrifice the quality of the durance di2?

5 5


  • Familiarity: I've used it several times

No big shocker, but it works! Had to upgrade from a 10 speed freehub body on this older wheelset when I got the 105 5800 group. Works like it's always been this way, good cassette!

5 5

It's a cassette

  • Familiarity: I've put it through the wringer

What can you say? It is a cassette. Shimano makes good stuff. This is nice. Not the lightest, but it gets the job done and done well. I am using the 11x25 11 spd version of this on my 2nd wheelset.

5 5

Cassette gearing

  • Familiarity: I gave it as a gift but have feedback to share

11-23: 11-12-13-14-15-16-17-18-19-21-23
11-25: 11-12-13-14-15-16-17-19-21-23-25
11-28: 11-12-13-14-15-17-19-21-23-25-28
11-32: 11-12-13-14-16-18-20-22-25-28-32
12-25: 12-13-14-15-16-17-18-19-21-23-25

5 5

Great Cassette for training.

  • Familiarity: I've put it through the wringer

11-speed. Great for climbing and all-around training. It doesn't wear out as quick as the DA versions

Can you use the 11-32 cassette with a RD...

Can you use the 11-32 cassette with a RD 6600 rear derailleur

Responded on

Hi Larry,

As I understand it you'd need the mid/long cage derailleur with an 11-32 cassette.

Can you use the 11-32t cassette with the...

Can you use the 11-32t cassette with the short cage derailleur?

Best Answer Responded on


No, you would need the Mid/Long cage derailleur if you wanted to use the 11-32t cassette. The short cage is designed to only have enough chain wrap for a 28t or less cassette.

Responded on

i use an 11-32 with a short, however, you CANNOT cross chain in your big ring (to your 32).
i have no problems with my small ring to my 32.
i only have this setup on my training wheels, and pay strict attention so that i do not cross chain.
if i have to be in my 32 i should be in my small ring anyways.
it is not the ideal setup, however it does work - you might have to adjust your b-screw.

5 5

Superb cassette and light :)

  • Gender: Male
  • Familiarity: I've put it through the wringer

Always superb quality, weight is dead-on at 212gm for the 11/23. I also have a DuraAce 9000 and will use this one for flats and daily riding, putting the 11/28 9000 series on my climbing wheels. For those using Shimano cassettes and note that some freehub bodies are prone to indents from the DuraAce cassettes - using Ultegra cassetes will always solve that problem, as the titanium cogs on the DuraAce are just too hard. Sticking with the Ultegra, especially at this price, is a total no brainer. Shifting is solid and dead on, no skips or hesitations and quiet as can be :) Also noted that I have tried Zipp and Mavic wheels with both the Ultegra and DuraAce 11-speed cassettes and have not had any scoring/indents on the freehub bodies; even after 3000 miles. Looks like the newer 11-speed freehubs are hardened (at least for these two manufacturers) - so cheers to that!

Superb cassette and light :)
Responded on

Do you need any spacer for ZIPP 2014 404 wheel? I mean on older version of mavic there had to be spacer first and than 10speed cassette. Now do you need spacer for new 11speed zipp wheel with 11speed cs-6800? (spacer woud go on the freehub body first ant than the cassette itself)

Thanks for info.

Responded on

Greetings - No need for the spacer on the new Zipps ;) For the Mavics, just remove that specific washer/spacer, and 11-speed will work as well :) Note, all the new 11-speed drivetrains use the same spacing, so now you can use any 11-speed cassette with any drivetrain - like a mutt ;)

Can the CS-6800 be used on the Shimano...

Can the CS-6800 be used on the Shimano version of the PowerTap G3? I'm using this hub with CS-6600 right now.

Best Answer Responded on

greetings - You should be good to go :) See the link to the actual PowerTap website for that tasty hub. Good day :)

Responded on

Unfortunately, I found that the CS-6800 doesn't fit my Shimano PowerTap G3. I'm trying to buy a replacement 11-speed freewheel body for it. My understanding is that this freewheel body will not require re-dishing my wheel and will allow me to mount the CS-6800 ... and therefore upgrade to Ultegra 6800 throughput.

Maybe DRZIPGRIP is thinking of newer versions of the G3 hub, but mine certainly does not accommodate this cassette.

Responded on

Mike, I just replaced the freehub body in my G3 with the 11 speed version and it is a piece of cake. It will allow you to run a 10 speed cassette (with a spacer) and the 11 speed cassette without. It just pulls right out of the hub and you slide the new one in.


Responded on

It's a piece of cake if you have a compatible PowerTap hub; some PowerTaps can't accept the 11-speed body. (And, even if it does, it's about $90 to buy the new hub.)

Is this cassette compatible with Dura-Ace...

Is this cassette compatible with Dura-Ace 9000?

Best Answer Responded on

Yes, this cassette is compatible with Dura-Ace 9000.

Sorry, amateur question, can the 6800 be...

Sorry, amateur question, can the 6800 be dropped in place of an existing 10sp 6700 gear set, or does the full set need to be upgraded as well?

Responded on

I would think that you'd have to switch out the shifters for sure to get the 11th gear, but the rear derailleur is probably still ok from the 6700.

Best Answer Responded on

Additionally, wheel manufactures are still catching up to the 11-speed. Currently the Shimano 9000 line of wheels with work, also, Most Mavic wheels will work with 11-speed, even some older models. New Zipp's will work. Just make sure that the wheelset you are using is compatible - hope it is :)