BIKECULT.COM - BIKE WORKS NYC - ARCHIVE BICYCLES - © MAY 2015
Micro Pedal Flow folding bicycle (2015, Swiss)
The maker of scooters has a coaster-brake bike without a saddle.
It's got small 12-inch wheels with a huge 66-tooth chainwheel and tiny 12-tooth cog.
The gear ratio of 5.5 gives a 66-inch gear with 150mm cranks.