Help! Nut size

mr_ed

Pedelecer
Feb 15, 2022
116
18
Not sure it matters does it? Might as well have that one on there than a thinner one; it'll be the same strength if the same number of threads are engaged.
 
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Nealh

Esteemed Pedelecer
Aug 7, 2014
20,985
8,570
61
West Sx RH
M12 x 1.25 fine thread pitch , they are all std pitch size for ebikes so one will proably have to buy spare nuts and machine thinner if it really bothers you.
A generic M12 is 1.75 pitch so don't use them.

Leave it as it is, it will prevent the axle thread from damage and x threading.
 
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Nealh

Esteemed Pedelecer
Aug 7, 2014
20,985
8,570
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West Sx RH
They have the falt inner face serated to prevent undoing but if concerned use a bit of locktite on the thread.
 

Nealh

Esteemed Pedelecer
Aug 7, 2014
20,985
8,570
61
West Sx RH
No idea, I just nip them up tight + 1/8 - 1/4 turn. The nut thread will strip if torqued to high.