These are the known mechanical and performance specifications for your 1946–1953 Royal Enfield model RE and RE2.
Basic Specs

Engine
Displacement125cc
Typetwo stroke single
Details125cc two stroke single
Max RPM
Compression
Bore/Stroke
Valves/Cylinder
Fueling
Ignition
Exhaust
Lubrication
Cooling
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
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 Brakes
Front Brake Diameter
Rear Brakes
Rear Brake Diameter
Wheels
Comments
Post-war Production: A follow-up on the wartime model WD/RE, better known as the flying flea. Starting with rigid-framed girder-fork it got telescopes in 1950.