Bike is French made (of course) with octagonal tube, aluminum randonneur bike. Cast aluminum lugs attached via pinch bolts to drawn octagonal tubing (same way your seat post tightens). Aluminum is also used for the fork, rack, fenders, handlebar, cranks, but not rims (go figure). Pushing the limits on what you could do with aluminum tubing, both top tube and right seat-stay are drilled with entrance and exit holes for the three speed Simplex derailleur's cable. Bike has an early example of a Carless Stronglight crankset. Bike features brakes made by LAM, fenders by LEFOL, and also has generator powered head and tail lights (I've got to install the generator). Original bike.