My father used a 1/4 " steel plate,took off the rear basket and mounted this to the frame where the basket was . He then welded the 2 bearing mounts to two small 1/4 steel plates to secure the jack shaft on both ends , he positioned these properly on the mounting plate then bolted them down to allow for chain adjustment.He then cut a hole through the steel plate for the 2nd chain to go from the jack shaft to the final 60 tooth axle gear to turn the wheels. Here is a rundown of the hookup. From (clutch) drive gear 11 teeth to jack shaft gear 18 teeth , from other jack shaft gear 13 teeth through the mounting plate to the 60 tooth gear on the axle to turn the 26" wheels. Motor = Honda 50cc RPM min=2000 RPM max = 7000 Can anybody from this info tell me the min and max speed of he tricycle? I will attach pictures to this soon just gotta find my camera.This is going to be sweet.Hope it works as good as it looks.