Ah, cheers. How would that difference in thread be expressed? Is it thread count or something?
How would that difference in thread be expressed?
They are all 1mm pitch, the diameters vary. M20 will have a nominal overall diameter of 20mm
Ah, just saw your edit. Yeah I think I need 20mm, but a listing for a 20mm bolt I saw had comprehensive compatibility lists that ruled out most road cranks. Oh well - cheap enough to just order one and see.
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Ah, cheers. How would that difference in thread be expressed? Is it thread count or something?