Derbi GPR 50 Nude - 2008 Specifications and Reviews

The 2008 Derbi GPR 50 Nude is a lightweight naked bike designed for beginner and young riders seeking an affordable entry into motorcycling. Its nimble 49cc liquid-cooled engine delivers manageable performance with responsive handling, making it ideal for urban commuting and learning fundamental riding skills. Known for its approachable character and reliability, the GPR 50 Nude remains a popular choice for those transitioning from scooters to traditional motorcycles.

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Engine and Transmission Specifications

ClutchMulti-plate
Gearbox6-speed
Cooling systemLiquid
Lubrication systemOil pump
StarterElectric
IgnitionElectronic CDI
Fuel systemCarburettor
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 length2,222 mm (87.5 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 suspensionMonoshock. 110 mm travel
Front suspension40 mm. Upside-down fork. 110 mm travel

Speed and acceleration

Color optionsRed/black
Fuel capacity13.00 litres (3.43 gallons)

CategoryNaked bike
Year2008
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

2008 Derbi GPR 50 Nude Rider Ergonomics Assessment

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Feet:

At 845mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2008 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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