These are the known mechanical and performance specifications for your 1957 Victoria Bergmeister.
Basic Specs

Engine
Displacement345.00 ccm (21.05 cubic inches)
Type
DetailsV2, four-stroke
Max RPM
Compression7.5:1
Bore/Stroke64.0 x 54.0 mm (2.5 x 2.1 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingAir
Drivetrain
Gearbox
Final DriveShaft drive (cardan)
ClutchDry plate
Driveline
Chassis
Frame TypeDuplex cradle
Rake
Trail
Front SuspensionHydralic telescopic forks
Front Travel
Rear SuspensionTwin shock
Rear Travel
SeatDual seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments