Shimano’s 10-speed Ultegra cassette provides many of the features of its 10-speed Dura-Ace 7900 counterpart, offering improved shifting under load and a reduced-weight design.
- Light weight alloy carrier holds the last three cogs
- Crisper tooth profiles for exceptional shifting
- Larger cogs feature machined holes to reduce weight
- 236g (12/25)
- Compatible with Shimano and SRAM 10-speed systems
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)
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%.
Specifications
| 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 | |
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| 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 |









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