Bike photo
Serial
72
Manufacturer
Bertin
Name
C37
Model
C37
Year
1972
Primary colors
Pink
Frame size
54CM
Handlebar type
Drop bars
Wheel diameter
650 B
Tire width
Wide tire
Drivetrain front
2
Drivetrain rear
7
Distinguishing features
Bertin C37 modified for low trail, 650b wheels, fenders, and lights. I don't think the serial or year is 72, but that is what is stamped into the seat lug.

Frame and fork

Headset
stronglight delta french thread

Wheels

Wheel
pacenti brevet rims on son wide body front, hope rs4 rear
Tire
babyshoe pass

Drivetrain and brakes

Derailleur
front 8s xt long cage, rear 9s ultegra double
Crankset
ta specialties pro vis 5, 46/30
Shifter
simplex slj bolt on campagnolo style, 4th gen
Pedals
aeffect
Brake
mafac tandem cantilever

Additional parts

Stem
SR 22.0/25.4, 100
Lights
eyc-t senso plus front, secular fender mount rear
Handlebar
nitto rm 013, 25.4
Handlebar Bag
berthoud
Saddle
b17
Rack
m12