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  • I have an oldish Ritchie mtb hub with play in the freehub.. I’ve removed the axle - anyone know what size Allen key to remove the freehub body?

    My googling says either 11mm or 12mm but when i look ‘down the hole’ it’s not even obvious that there are the flattened sides of an Allen fitting.

  • when i look ‘down the hole’ it’s not even obvious that there are the flattened sides of an Allen fitting.

    It's often a bihexagon, so what you see is a 12 pointed star


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    • Bi Hexagon Socket Line .JPG
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