• You might have success using a normal (geared bike) freewheel or cassette removal tool, they have 8 or 12 splines of approx. that size.

    cheaper bmx type freewheels often use weird and wonderful notchs to get them off (2,3,4 prong/slot type tools).


    cassette tool.


    freewheel tool

About

Avatar for BrickMan @BrickMan started