Campagnolo Chorus 11 Cassette

Priced: $159.00 - $240.00 Rated:   - 3 stars out of 5 by 2 reviews.
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Campagnolo Chorus 11 Cassette -

Value investors, look no further! You've found what you're seeking with the Campagnolo Chorus 11 speed Ultra Shift cassette. This cassette is technologically identical to the Super Record 11 and Record 11 cassettes. It has every last bit of Ultra Shift technology built into it. You get the same cog tooth synchronization, cog tooth shaping, and optimized tooth spacing. In short, your shifting will be every bit as sweet with Chorus 11 as it'll be with Super Record 11.

The only difference with the Chorus 11 cassette is this: All 11 cogs are made with nickel-chrome coated steel. The Super Record 11 cassette has 6 Ti cogs and the Record 11 cassette has 3 Ti cogs. With Chorus 11, you get no Ti cogs, which gives you a net weight of 241g -- 56g more than Super Record, and 35g more than Record. While this is a slight weight premium, nickel-chrome coated steel is the toughest material Campagnolo uses for its cassettes. This means the Chorus 11 is Campy's most durable cassette.

The Campagnolo Chorus 11 cassette comes with a lightweight alloy lockring. It's available in 5 ratios: 11-23, 11-25, 12-25, 12-27, and 12-29.

The 11-23 includes- 11,12,13,14,15,16,17,18,19,21,23.
The 11-25 includes- 11,12,13,14,15,16,17,19,21,23,25.
The 12-25 includes- 12,13,14,15,16,17,18,19,21,23,25.
The 12-27 includes- 12,13,14,15,16,17,19,21,23,25,27.
The 12-29 includes- 12,13,14,15,16,17,19,21,23,26,29

The actual weights of the Campagnolo Chorus 11 Cassette: 11-23 is 228g. 11-25 is 241g. 12-25 is 255g. 12-27 is 272g. 12-29 is 292g.


  • Splines fit 10-speed hubs and wheels


  • Includes aluminum lockring
  • NiCr - nickel-chromed
Mountains Plus Outdoor Gear
Campagnolo Chorus Ultra-Drive 11-Speed Cassettes.
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Campagnolo Chorus 11 Cassette Reviews:

Positive Reviews:

I have about 100 miles on a just installed Chorus 11-25 11-speed cassette. So far the shifting is excellent, noticeably improved over the Chorus 10 cassette. It seems to work just fine with a Record 10 rear derailler. Beware when installing it on any other hub than a Record hub as the hub may require a modification (Zipp, Rolf, are two I know of). The cassette does come with a variable assortment of spacers requiring more care during install. The smallest cog does just barely grab the end of the freehub, but seems solid when locked down with the lockring. It just looks odd though.

colnagolover at on 09/08/2009

Negative Reviews:

I had the full Campy Chorus 11 component group installed on my Litespeed Tuscany frame in mid-June 2009. It did not work properly from the very first shift. Specifically: when I attempt to shift from the 18 cog to the 19, it just sits in the 18 and clatters. My bike shop called Campy and they sent them a replacement part they called an "indexing plate". It took 6 weeks to get that part. After it was installed, the problem was still there. In frustration, I finally called Campy myself and they told me there's a problem with a spacer in the 12-25 cassette (which is the one I have). They're sending the new spacer to my LBS, and they're going to send it to me to put on (I live over an hour away from the shop). My LBS called Campy, too, and they told them that there's no problem with the 12-25 cassette, it's the 11-23 that has the problem. Bottom line: I put a lot of money into a component group that doesn't shift properly, and I'm getting mixed messages about why. It's been over 2 months now, and I'm an unhappy camper.

Greg Titus at on 08/26/2009