Bolt size help- zumo cradle bolts

Bryn

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Can anyone confirm the size of the 4 nutsthat secure the zumo 660 or 590 cradle to whatever mount you're using?

I understend from a pdf that they are M4 x 40 mm panhead

The head size of the nylock nuts is needed as per the diagram..thanks :thumb
 

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Mine are(but non nylock*) 7 mm across flats and 7.75 mm across corners hth
 


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