These are the known mechanical and performance specifications for your 2015 Sym Crox 50.
Basic Specs

Engine
Displacement49.50 ccm (3.02 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke39.0 x 41.4 mm (1.5 x 1.6 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity5.20 litres (1.37 gallons)
Emissions
Chassis
Frame TypePipe under bone
Rake
Trail
Front SuspensionTelescope fork
Front Travel
Rear SuspensionUnit swing arm
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,095 mm (43.1 inches)
Total Length1,895 mm (74.6 inches)
Total Width775 mm (30.5 inches)
Ground Clearance
Wheelbase1,335 mm (52.6 inches)
Dry Weight112.0 kg (246.9 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre120/70-12
Rear Tire/Tyre130/70-12
Front BrakesSingle disc
Front Brake Diameter226 mm (8.9 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
WheelsAluminium alloy
Comments
Taiwanese brand.