IRD ES cassette tooth count data
| Cassette ID | 91 | |
| Make | IRD | |
| Series | ES | |
| Freehub | Shimano 8/9/10 (34.95mm) | |
| Speeds | 10 | |
| Range | -1123 | |
| Cogs | 11-12-13-14-15-16-17-19-21-23 |
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