Wolf Tooth Components 25mm B-Screw

- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs

Wolf Tooth Components 25mm B-Screw
$1.49
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Details

- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs

Part Numbers

UPC MPN Store SKU
00812719020152 BSCREW25 RD4700