Bottom Bracket tool 20 spline

Bottom Bracket tool 20 spline

thingiverse

20 spline BB tool, useful for any bottom bracket with internal 20 spline. Tested and tried on a Shimano BB-ES300 and worked beautifully. But should work on any BB with similar configuration. Note: Requires an adjustable (or fixed) wrench that can open to 30mm to turn (see photos)

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