Derbi GPR 50 Nude - 2009 Specifications and Reviews

The 2009 Derbi GPR 50 Nude is an entry-level naked bike ideal for new riders and urban commuters seeking an affordable, lightweight machine. Powered by a liquid-cooled 49cc single-cylinder engine with a 6-speed gearbox, it delivers nimble handling and easy maneuverability in city environments. Known for its practical design and reliability, this Spanish-made scooter-style motorcycle excels as an economical commuting solution.

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Engine and Transmission Specifications

ClutchMulti-plate
Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemOil pump
StarterElectric
IgnitionC.D.I.
Fuel controlSOHC
Fuel systemCarburettor. 14 mm
Bore x stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Compression11.5:1
Stroke2
Engine typeSingle cylinder
Capacity:49.00 ccm (2.99 cubic inches)

Physical measures and capacities

Wheelbase1,310 mm (51.6 inches)
Overall width720 mm (28.3 inches)
Overall length1,961 mm (77.2 inches)
Overall height1,116 mm (43.9 inches)
Seat height845 mm (33.3 inches) If adjustable, lowest setting.
Dry weight102.0 kg (224.9 pounds)
 
 

Derbi GPR 50 Nude dimensions and frame

Rear brakes diameter180 mm (7.1 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-17
Front tyre dimensions100/80-17
Rear suspension travel110 mm (4.3 inches)
Rear suspensionMonoshock.
Front suspension travel110 mm (4.3 inches)
Front suspension40 mm. Upside-down fork.

Speed and acceleration

Color optionsRed/black, white
Oil capacity1.50 litres (0.10 quarts)
Fuel capacity13.00 litres (3.43 gallons)
 
 

CategoryNaked bike
Year2009
ModelDerbi GPR 50 Nude

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track35%
City80%
Cornering60%
Daily Riding55%
Touring20%
Passenger25%

Rider Profile

Best ForThis bike suits new and learner riders, including those on a moped or restricted licence, who want a sporty-looking naked without intimidating power.
PurposeIt's built primarily for short urban hops, commuting, and playful weekend blasts rather than any serious speed or distance work.
Rider FitIts light dry weight and low seat height make it easy to manage and flick around for smaller or less experienced riders.
CharacterIt has the sharp, aggressive styling and sporty chassis of a bigger naked bike shrunk down into a nimble, high-revving 50cc package.
Not Ideal ForIt's not for riders wanting highway speeds, long-distance touring comfort, or the ability to carry a passenger with any ease.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2009 Derbi GPR 50 Nude Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 845mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2009 Derbi GPR 50 Nude, with a relaxed knee angle of around 125 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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