At 6'2 you might want to look into a 22" BMX like the Fit 22
https://fitbikeco.com/shop/bikes/2019-twenty-two/ or go custom with an S&M ATF 22
https://www.sandmbikes.com/product/h...-for-22-wheel/
A 22" still rides like a 20" and has the same geometry but has a longer top tube and 22" wheels for taller riders