Wolf Tooth Components 25mm B-Screw
$3.00
Details
- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs
Part Numbers
| UPC | MPN | Store SKU |
|---|---|---|
| 812719020152 | BSCREW25 | 210000003057 |
Cyclepath Hayward
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