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Looking to get a little extra distance so that your derailleur clears your 40 or 42 tooth cog? Look no further.M4 x 24mm screw for that extra little push
Wolf Tooth 25mm long B-Screw for adapting old deraileurs when using a GC cog
$1.00 USD
| Model | B-Screw |
| Description | M4x25mm |
| Color | Silver |