I built this on a whim using parts from the bin. The unicycle frame I found at a goodwill.
Frame:
Custom penny farthing
Saddle/Seatpost:
Torker
Brakes:
Avid BB7
Front Wheel/Hub/Tire:
26” freewheel unicycle
Rear Wheel/Hub/Tire:
20” trike (front from a terratrike rover)
Added by O_Miles.
O_Miles has indicated that they no longer own this bike.