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Ossa Mar Head Race Nut?

seedoubleyou
in OSSA

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Can anyone advise where I could get one of the small nuts that secure the top headrace bearing on the OSSA Mar? From what I can see it looks like an M20x1mm or

25tpi.

Thanks

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    • 2 weeks later...

    See you at Mallory for the Owd Codgers trial then, Colin????

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