Bicycle freewheel pin spanner wrench
thingiverse
Work-in-progress prototype designed specifically for removing bicycle freewheels efficiently, still in development stage but with promising results. This tool relies on two metal pins expertly positioned within two carefully drilled holes, making use of roll pins or split-pins proves to be a good choice for optimal functionality. The existing model features a 1.5 inch center-to-center distance between the strategically placed pins.
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