If you go for a Twenty the BB shell needs to be cut to 73mm wide and threads recut if you want to fit a square taper bb, a alloy seatpost, the dropouts stretched to fit modern 406 wheels (a much better choice of tyres) and longer drop brakes fitted or go fixed gear and you’ll have a bomb proof bike.
If you go for a Twenty the BB shell needs to be cut to 73mm wide and threads recut if you want to fit a square taper bb, a alloy seatpost, the dropouts stretched to fit modern 406 wheels (a much better choice of tyres) and longer drop brakes fitted or go fixed gear and you’ll have a bomb proof bike.