1980 O'Brien (Emmelle) The Challenge

Bike photo
Serial
H539954
Manufacturer
O'Brien (Emmelle)
Model
The Challenge
Year
1980
Primary colors
Blue
Frame Material
Steel
Wheel diameter
27in
Tire width
Tire Width Narrow
Drivetrain front
1
Drivetrain rear
6
Distinguishing features
Registration number is not stamped well and is unclear. I have a photo of the registration number