Most of the Fern bikes have a painted (or anodised?) Shimano Dura Ace FC-7402 crankset, with a 116 mm (probably Neco- cheap but very good) sealed bearing. JIS tapered.
Which gives the bike a 140mm Q factor and a 46mm chainline.
I've been thinking about doing this with a 7402 crankset and a 1x drivetrain. I can only find 115mm square taper BBs around, rather than 116 - do you reckon that'll give a good enough chainline?
Looks like an octalink xt crank and a superstar ring??
Any more info?