Accessories Bicycles Parts Specials Tools

Shimano-compatible 10-speed Cassettes

find us on FB

Sheldon Brown photo John Allen photo
by Sheldon "Kah Sept" Brown
and John "Dix Donc!" Allen
Thanks to David O'Brien for updates
Spoke Divider
Cassettes for sale from Harris Cyclery

Spoke divider

Read this first!

This article is your guide to Shimano and Shimano-compatible 10-speed cassettes (sprocket clusters) -- replacing worn sprockets, making subsitutions, and building custom combinations.

Another article on this site gives more general information about cassettes, and on how to upgrade from an older cassette.

In case you're not sure whether your bike has a cassette Freehub or a thread-on freewheel, we have a separate illustrated article explaining how to tell them apart.

We do not recommend 10-speed cassettes, if you can avoid them. The increasing number of sprockets from year to year are an example of spec hype. They represent an attempt to make last year's bicycle look obsolete so you'll buy a new one. Please keep these pointers in mind:

Still, there are a couple of reasons it can make sense to have a 10- or even 11 speed system:

Cassettes listed in the table below will fit most Shimano and Shimano-compatible Freehub bodies, with the following exceptions:

Colored backgrounds in the cells of the tables below identify assemblies of two or more sprockets on a spider to save weight. The lighter cassettes are more expensive, sometimes much more, so you really have to decide for yourself how important it is to save a few ounces. Sprockets on a spider can not be separated from one another, so you will have to replace all of them even if you only wear out one of them! They can be replaced by flat steel sprockets with spacers sandwiched between them, and vice versa. Assemblies of the same sprocket sizes shown in the same background color are compatible with one another, though they may differ in materials and finish.

Some Shimano flat steel sprockets and spacers are in bolted or riveted assemblies, indicated by tooth counts in italics in the table. The bolts or rivets only serve to keep sprockets and spacers in order when the cassette is not installed on the freehub. They can be removed to replace sprockets or build up custom combinations.

The ramps and shaped teeth of Shimano Hyperglide sprockets, and their imitations, are designed to improve shifting in the stock progressions, but it is possible to mix and match sprockets with some small penalty in smoothness of shifting. Miche sprockets are available individually in all sizes, useful in building up a custom progression.

The Shimano parts lists linked below will help you identify models and order replacement parts.

SRAM, IRD, Miche, BBB and SunRace also offer 10-speed Shimano-compatible cassettes -- see additional sections that follow the Shimano section.

Harris Cyclery sells some but not all Shimano 10-speed cassettes. The table below, though, is a complete as it can be made as of April 2016, in order to indicate compatibility and interchangeability. The table, unlike others, shows both "road" and "mountain" cassettes.

Click here for current stock at Harris Cyclery

Spoke divider

Spoke divider

Shimano parts lists

Current parts lists as of 2016

These links are current on the Shimano site as of April, 2016.

CS-HG50-10
parts list

CS-HG62-10
dealer manual
user manual
parts list

CS-HG81-10
parts list

CS-HG500-10
dealer manual
user manual
parts list

CS-M980
parts list

CS-M771
parts list

Dura Ace CS-7900
service instructions
parts list

Dura Ace CS-7800
service instructions
parts list

Ultegra CS-6700
dealer manual
service instructions
parts list

Ultegra CS-6600
parts list

105 CS-5700
service instructions
parts list

105 CS-5600
parts list

Tiagra CS-4600
parts list

Older parts lists, current as of 2012

The parts lists below are now found in the Internet Archive.

Dura Ace CS-7900
Dura Ace CS-7800
Ultegra CS-6700 [2012 update]
Ultegra CS-6700
Ultegra CS-6600
105 CS-5700
105 CS-5600
Tiagra CS-4600
CS-M771
CS-HG81

Shimano 10-speed combinations

Code 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 33 34 36
Dura-Ace
CS-7900
CS-7800
11 12 13 14 15 16 17 18 19 21
Dura-Ace
CS-7900
CS-7800
11 12 13 14 15 16 17 19 21 23
Ultegra
CS-6700
CS-6600
CS-5600
11 12 13 14 15 16 17 19 21 23
Dura-Ace
CS-7900
11 12 13 14 15 17 19 21 23 25
Ultegra
CS-6700
CS-5700
CS-5600
11 12 13 14 15 17 19 21 23 25
Tiagra
CS-4600
11 12 13 14 15 17 19 21 23 25
Dura-Ace
CS-7900
CS-7800
11 12 13 14 15 17 19 21 24 27
Ultegra
CS-6700
CS-5700
11 12 13 14 15 17 19 21 24 28
XT bL
CS-M771
11 12 14 16 18 20 22 25 28 32
XT bj
CS-M771
11 13 15 17 19   21 23 26 30 34
XT bj
CS-HG81
11 13 15 17 19   21 23 26 30 34
XT bk
CS-M771
11 13 15 17 19 21 24 28 32 36
XT bk
CS-HG81
11 13 15 17 19   21 24 28 32 36
Dura-Ace
CS-7800
12 13 14 15 16 17 18 19 20 21
Dura-Ace
CS-7900
CS-7800
12 13 14 15 16 17 18 19 21 23

Ultegra
CS-6700
CS-6600

12 13 14 15 16 17 18 19 21 23
Dura-Ace
CS-7900
CS-7800
12 13 14 15 16 17 19 21 23 25
Ultegra, 105
CS-6700
CS-6600
CS-5700
CS-5600
12 13 14 15 16 17 19 21 23 25
Dura-Ace
CS-7900
CS-7800
12 13 14 15 16 17 19 21 24 27
Ultegra, 105
CS-6600
CS-5700
CS-5600
12 13 14 15 16 17 19 21 24 27
Tiagra
CS-4600
12 13 14 15 17 19 21 23 25 28
Ultegra
CS-6700
12 13 14 15 17 19 21 24 27 30
Tiagra
CS-4600
12 13 14 15 17 19 21 24 27 30
Ultegra
CS-6600
13 14 15 16 17 18 19 21 23 25
Ultegra
CS-6600
14 15 16 17 18 19 20 21 23 25
Ultegra
CS-6600
15 16 17 18 19 20 21 22 23 25
Ultegra
CS-6600
16 17 18 19 20 21 22 23 25 27
Code 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 33 34 36
Sprockets shown in color are probably interchangeable with other same-size sprockets
shown in the same color.
(Not all of these have been checked). Most individual 10-speed sprockets 16 teeth or smaller are interchangeable between series.
Sprockets shown with the same background color are attached to a spider assembly and can not be separated. Others may be riveted or bolted together, but the rivets or bolts can be removed to use the sprockets in other combinations.

Spoke divider

Spoke divider

IRD 10-speed combinations

IRD has many combinations that are different from Shimano's. Some combinations are rather nice, and others have some uneven steps.

ES series cassettes have the four largest sprockets on aluminum spiders, two sprockets each. The spiders are indicated by background colors in the table below. These 10 speed cassettes fit all Shimano Freehub bodies including aluminum ones with tall splines.

Two-sprocket spider assemblies must be recessed on the back side so the innermost sprocket overhangs the flange of the Freehub body. I haven't checked them so I don't know for sure whether all are recessed. If so, all with the same tooth counts will work in either the innermost or middle positions

Rows with gray background indicate cassettes no longer listed as of 2016.

As of this writing, Harris Cyclery does not sell IRD cassettes, but they are included here for the sake of completeness -- John Allen.

IRD Web page describing cassettes

Code 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 34 36 40 42
11‑23 ES 11 12 13 14 15 16 17 19 21 23
11‑25 ES 11 12 13 14 15 17 19 21 23 25
11‑25 CS 11 12 13 14 15 17 19 21 23 25
11‑28 ES 11 12 13 15 17 19 21 23 25 28
11‑28 CS 11 12 13 15 17 19 21 23 25 28
11‑30 ES 11 13 15 17 19 21 23 25 27 30
11‑30 ES 11 13 15 17 19 21 23 25 28 30
11‑32 ES 11 13 15 17 19 21 23 25 28 32
11‑34 ES 11 13 15 17 19 21 23 25 28 34
11‑34 ES 11 13 15 17 19 21 24 27 30 34
11‑40 ES 11 13 15 17 19 21 25 29 34 40
11‑40 ES 11 13 15 17 19 21 25 30 36 42
12‑23 ES 12 13 14 15 16 17 18 19 21 23
12‑23 CS 12 13 14 15 16 17 18 19 21 23
12‑25 ES 12 13 14 15 16 17 19 21 23 25
12‑25 CS 12 13 14 15 16 17 19 21 23 25
12‑28 ES 12 13 14 15 17 19 21 23 25 28
12‑28 CS 12 13 14 15 17 19 21 23 25 28
12‑30 ES 12 13 15 17 19 21 23 25 27 30
12‑30 ES 12 13 15 17 19 21 23 25 28 30
12‑32 ES 12 13 15 17 19 21 23 25 28 32
13‑25 ES 13 14 15 16 17 18 19 21 23 25
Code 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 34 36 40 42
Sprockets shown with the same background color are attached to a spider assembly and cannot be separated. Others may be riveted or bolted together, but the rivets or bolts can be removed to use the sprockets in other combinations.

Spoke divider

Spoke divider

Miche 10-speed Combinations

Unlike the other major cassette manufacturers, Miche specializes in custom combinations. Miche even offers a sprocket board, as in days of old. Miche's main page on cassettes. Sprockets for 8- 9-10-and 11-speed cassettes are the same (narrow enough to fit a 10 or 11-speed chain), but the spacers are different.

The smallest sprocket for a 10-speed system on a Shimano body has 11 teeth; all sizes up to 30 teeth, as well as 32 teeth are offered.

Miche 10-speed Supertype cassettes

These have (mostly) aluminum sprockets and should be used with a Shimano Dura-Ace cassette body. Supertype cassettes are also made for Campagnolo cassette bodies.

Miche 10-speed Primato cassettes

These have steel sprockets and will fit any Shimano-compatible cassette body other than Dura-Ace with tall splines. Primato cassettes are also made for Campagnolo an Miche's own proprietary cassette bodies. .

SRAM 10-speed Combinations

Harris Cyclery sells a few SRAM cassettes, where they fill in gaps in Shimano's offerings.

Note: Some SRAM cassettes do not work with Shimano aluminum Freehub bodies that have tall splines.

SRAM 2010 technical manual (see pages 36 ff.)
SRAM XX technical manual (see pages 70-71).
SRAM 2016 spare parts catalog
SRAM 2016 road cassettes
SRAM 2016 MTB cassettes

Code 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 34 36
XG‑1090 11 12 13 14 15 16 17 19 21 23
OG‑1090 11 12 13 14 15 16 17 19 21 23
OG‑1070 11 12 13 14 15 16 17 19 21 23
PG‑1070 11 12 13 14 15 16 17 19 21 23
PG‑1050 11 12 13 14 15 16 17 19 21 23
OG‑1070 11 12 13 14 15 17 19 21 23 25
PG‑1070 11 12 13 14 15 17 19 21 23 25
OG‑1090 11 12 13 14 15 17 19 21 23 26
OG‑1070 11 12 13 14 15 17 19 21 23 26
PG‑1070 11 12 13 14 15 17 19 21 23 26
PG‑1050 11 12 13 14 15 17 19 21 23 26
OG‑1070 11 12 13 14 15 16 18 21 24 28
PG‑1070 11 12 13 14 15 16 18 21 24 28
XG‑1090 11 12 13 14 15 17 19 22 25 28
PG‑1070 11 12 13 14 15 17 19 22 25 28
PG‑1050 11 12 13 14 15 17 19 22 25 28
PG‑1050 11 12 14 16 18 20 22 25 28
XG‑1099* 11 12 14 15 17 19 22 25 28 32
XG‑1099 11 12 14 16 18 20 22 25 28 32
XG‑1080 11 12 14 16 18 20 22 25 28 32
PG‑1050 11 12 13 15 17 19 22 25 28 32
PG‑1070* 11 12 14 15 17 19 22 25 28 32
PG‑1050* 11 12 14 15 17 19 22 25 28 32
PG‑1050 11 12 14 16 18 20 22 25 28 32
XG‑1099 11 12 14 16 18 21 24 28 32 36
XG‑1099* 11 12 14 16 18 21 26 28 32 36
XG‑1080 11 12 14 16 18 21 24 28 32 36
PG‑1070 11 13 15 17 19 22 25 28 32 36
PG‑1050 11 13 15 17 19 22 25 28 32 36
PG‑1030 11 13 15 17 19 22 25 28 32 36
OG‑1070 12 13 14 15 16 17 19 21 23 25
PG‑1070 12 13 14 15 16 17 19 21 23 25
PG‑1050 12 13 14 15 16 17 19 21 23 25
OG‑1070 12 13 14 15 16 17 19 21 23 26
PG‑1070 12 13 14 15 16 17 19 21 23 26
PG‑1050 12 13 14 15 16 17 19 21 23 26
XG-1090 CX 12 13 14 15 16 17 19 21 24 27
OG‑1070 12 13 14 15 16 17 19 21 24 27
PG‑1070 12 13 14 15 16 17 19 21 24 27
PG‑1050 12 13 14 15 16 17 19 21 24 27
PG‑1070 12 13 14 15 16 17 19 22 25 28
PG‑1070 12 13 14 15 17 19 22 25 28 32
PG‑1050 12 13 14 15 17 19 22 25 28 32
PG‑1050 12 13 15 17 19 21 24 28 32 36
PG‑1070 12 13 15 17 19 22 25 28 32 36
PG‑1050 12 13 15 17 19 22 25 28 32 36

Spoke divider

Spoke divider

BBB 10-speed combinations

BBB has many combinations that are different from Shimano's. Some combinations are rather nice. No spiders are used - rather seperate cogs with aluminum spacers.

As of this writing, Harris Cyclery does not sell BBB BCS-10S cassettes, but they are included here for the sake of completeness.

BBB Web page describing BCS-10S cassettes

Code 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 34 36
BCS-10S 11 12 13 14 15 16 17 18 19 21
BCS-10S 11 12 13 14 15 16 17 19 21 23
BCS-10S 11 12 14 15 16 17 19 21 23 25
BCS-10S 11 13 15 17 19 21 24 27 30 34
BCS-10S 11 13 15 17 19 22 25 28 32 36
BCS-10S 12 13 14 15 16 17 19 21 23 25
BCS-10S 12 13 14 15 17 19 21 23 25 27
BCS-10S 12 13 14 15 17 19 21 23 25 28
BCS-10S 13 14 15 17 19 21 23 25 27 30
BCS-10S 14 15 16 17 18 19 20 21 23 25
BCS-10S 16 17 18 19 20 21 22 23 24 25

Spoke divider

SunRace 10-speed combinations:

As of this writing, Harris Cyclery does not sell SunRace cassettes. They are included here for the sake of completeness.

The different model numbers with the same tooth counts differ in materials:

SunRace does not give tooth counts in the 2016-2017 catalog but there are tooth counts in the earlier catalogs. SunRace listed a 12-32 10-speed cassette in the 2013-2014 catalog but did not give tooth counts for it.

For SunRace cassettes with flat sprockets that skip the same sprocket sizes, it is fair to assume that the sprockets are interchangeable while maintaining smooth shifting.

Grayed-out rows in the table below indicate cassettes not listed in the 2015 new-products listing or 2016-2017 catalog. SurnRace appears at this time to be specializing in MTB cassettes, at least among the 10-speeds.

SunRace 2010-2011 catalog

SunRace 2013-2014 catalog

SunRace 2015 new Products

SunRace 2016-2017 catalog

Code 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 34 36 40 42
CRSZ TAO 11 12 13 14 15 16 17 19 21 23
CRSX TAO 11 12 13 14 15 16 17 19 21 23
CSRS TAO 11 12 13 14 15 16 17 19 21 23
CRSX TAQ 11 12 13 14 16 17 19 21 23 25
CSRS TAQ 11 12 13 14 16 17 19 21 23 25
CSRS1.TAS 11 12 13 14 15 17 19 21 24 28
CSRZ.TAS 11 12 13 14 15 17 19 21 24 28
CSRS1.TAU 11 12 13 15 17 19 21 24 28 32
CSMS.TAW 11 13 15 17 19 21 24 28 32 36
CSMX.TAW 11 13 15 17 19 21 24 28 32 36
CSMZ.TAW 11 13 15 17 19 21 24 28 32 36
CSMS3.TAX 11 13 15 18 21 24 28 32 36 40
CSMX3.TAX 11 13 15 18 21 24 28 32 36 40
CSMS3.TAY 11 13 15 18 21 24 28 32 36 42
CSMX3.TAY 11 13 15 18 21 24 28 32 36 42
CRSZ TBO 12 13 14 15 16 17 18 19 21 23
CRSZ TBQ 12 13 14 15 16 17 19 21 23 25
CRSX TBQ 12 13 14 15 16 17 19 21 23 25
CSRS TBQ 12 13 14 15 16 17 19 21 23 25
CRSX TBR 12 13 14 15 16 17 19 21 24 27
CSRS TBR 12 13 14 15 16 17 19 21 24 27
SunRace cassette individual sprockets and spiders are compatible with Shimano. Shifting will not be as smooth when mixing brands in the same cassette.

Spoke Divider

Building Custom Cassettes

Shimano wants you to use one of its standard combinations, and offers a wide-enough choice to suit the needs of most cyclists, but you don't have to if you don't want to!

It is not difficult to customize Shimano cassettes. If you substitute an un-approved cog, Uniglide or Hyperglide, SRAM, SunRace, IRD, Miche, or some other brand, it will still work, but the shift to/from that cog will probably not be as smooth as a Hyperglide shift normally is. Since people managed without Hyperglide for several decades, this shouldn't scare you off. In particular, if you substitute the top or bottom sprocket, you will only have one shift that isn't HG; shifts to or from the extreme sprockets tend to be less troublesome than intermediate shifts anyway.

Shimano cassettes that don't use spiders have most of the sprockets held together by 3 small bolts or rivets. These are not essential. Their function is convenience, in allowing the cassette to be installed slightly more easily. To make a custom cassette, you will often need to remove the screws or rivets. Just discard them, they are unnecessary in practice.

When you build your own cassette, generally, the smallest sprocket needs to be one with a built-in spacer, designed for the top-gear position. While you can't insert or remove a sprocket within a spider module, you can add sprockets on either side of these modules.

Sprockets are available individually, too, from Miche.

Spoke divider

Spoke Divider

Articles by Sheldon Brown and Others


Accessories Bicycles Parts Specials Tools

Copyright © 1998, 2008 Sheldon Brown
Copyright © 2010, 2016 John Allen

Harris Cyclery Home Page

If you would like to make a link or bookmark to this page, the URL is:
http://sheldonbrown.com/k10.shtml
Last Updated: by John Allen