being Custom if you wand the whole front wheel drive to turn with the wheel , just say that ..
the NL made Flevobikes hinged the frame under the seat and to steer you just leaned , you could be
doing something else with your hands they were not needed to steer it.
http://flevofan.ligfiets.net/
http://flevofan.ligfiets.net/?doc=ch4-01