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I've been wanting to make a 20" brompton for a while now, but the only possibility is kinetics or a titanium fork from aliexpress which will set me back about $400
Is it possible to install a random 20 inch fork on the brompton and save a ton of money?
The dimensions for the steerer tube is 139mm, inner diameter of 1 1/8 inch
can't I just get a random 20 inch fork and shave/thread it to that size?
on top of that, wouldn't it be possible to install a suspension fork?
seems like people have done it before with a birdy/brompton hybrid