Wolf Tooth derailleur screw 25 mm B-screw
When using a 42t cog with a Shimano derailleur, this derailleur screw must be installed.
This longer B-screw is not needed with a GoatLink. When using larger cogs, a GoatLink is recommended for your Shimano derailleur as it will improve the long-term shifting and drivetrain life. Make sure you have a compatible derailleur according to the GoatLink product page details.
Material: stainless steel
Weight: 2.5 g
| Groupset | Other |
| product ID | 165926 |
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