Comparison of Aprilia SX 50 2015 and Derbi GPR Racing 50

Attribute	Aprilia SX 50 2015 ×	Derbi GPR Racing 50 ×
General
Production from (year)	2015	2007
Make	Aprilia	Derbi
Model	Aprilia SX 50	Derbi GPR Racing 50
Category	Super motard	Sport
Engine and transmission
Engine type	Single cylinder, two-stroke	Single cylinder, two-stroke
Fuel system	Carburettor. Dell Ortho PVHA 17.5	Carburettor. Dell´Orto PHVA-14
Engine details	Light alloy cylinder	-
Displacement (cm³)	49.9	49.9
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	-
Bore (mm)	39.9	-
Stroke (mm)	40	-
Gearbox	6-speed	6-speed
Emission details	Euro 2	-
Driveline	Primary drive: Gears. Ratio: 21/78. Final driverRatio: 11/53	-
Ignition	Electronic C.D.I	Electronic C.D.I.
Clutch	Multi-plate	Multidisc
Lubrication system	Automatic mixer	-
Compression	11.5:1	12.5:1
Exhaust system	Catalytic converter	-
Chassis
Front suspension	40 mm hydraulic fork with leading axle.	Inverted fork.
Rear suspension	High strength steel swingarm; Hydraulic monoshock.	Monoshock
Front brakes	Single disc. Stainless steel disc, floating caliper.	Single disc
Rear brakes	Single disc. Stainless steel disc, caliper with two opposing pistons.	Single disc
Diameter (mm)	180	180
Frame type	Steel beam	-
Front tyre	110/80-ZR17	110/80-17
Rear tyre	130/70-ZR17	130/70-17
Wheels	Spoked wheels with aluminium rim.	-
Front wheel travel (mm)	195	120
Rear wheel travel (mm)	180	110
Other
Starter	Kick	Electric
Color options	black white	black red/grey red/olive
Dimensions
Wheelbase (mm)	1,406	1,355
Overall length (mm)	2,045	1,961
Overall width (mm)	825	788
Seat height (mm)	830	800
Performance
Fuel capacity (l)	7	13