Derailleur hanger alignment tool Optimize your cycling performance with the Super B derailleur hanger alignment tool, designed to solve derailleur problems on most wheels.
- Designed to measure and straighten misaligned derailleur hanger - Simple and accurate for checking rear derailleur hanger alignment and solving most derailleur problems, especially those of indexed shifting systems - Fits most wheels, from 20" to 29".
| Brand | Super B |
| Supplier reference | 1101221 |
| Color | silver |
| Color | Silver |