Derbi Senda DRD X-Treme 50 SM - 2021 Specifications and Reviews

The 2021 Derbi Senda DRD X-Treme 50 SM is a lightweight supermotard designed for young and novice riders seeking sporty street performance. Powered by a liquid-cooled two-stroke 50cc engine with a six-speed gearbox, it delivers responsive handling and agile maneuverability ideal for urban environments and casual weekend rides. Known for its economical fuel consumption and nimble character, this Spanish-built machine excels as an accessible entry point to supermotard riding.

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Engine and Transmission Specifications

Emission detailsEuro 4
Greenhouse gases72.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption3.14 litres/100 km (31.8 km/l or 74.91 mpg)
ClutchMulti-plate, wet
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemAutomatic mixer
Fuel systemCarburettor
Valves per Cylinder4
Bore x Stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Compression11.5:1
Engine typeSingle cylinder, two-stroke
Capacity:49.9 ccm (3.04 cubic inches)

CategorySuper motard
Year2021
ModelDerbi Senda DRD X-Treme 50 SM

Brakes, suspension, Frame and wheels

WheelsBlack
Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Dual piston floating calliper
Rear tire130/70-17
Front tire100/80-17
Rear wheel travel200 mm (7.9 inches)
Rear SuspensionSteel swingarm, hydraulic monoshock
Front wheel travel170 mm (6.7 inches)
Front SuspensionElescopic hydraulic fork with Ø 37 mm stanchions
Frame typeTwin-tube steel frame
 
 

Physical measures and capacities

Fuel capacity7.00 litres (1.85 US gallons)
Wheelbase1365 mm (53.7 inches)
Overall width830 mm (32.7 inches)
Overall length2020 mm (79.5 inches)
Overall height1222 mm (48.1 inches)
Seat height860 mm (33.9 inches) If adjustable, lowest setting.
Dry weight99.0 kg (218.3 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsMade in Spain.
StarterKick
Color optionsYellow/Grey, Red/Blue, Red/White

Performance Profile & Rider Fit

Best For

Track55%
City80%
Cornering78%
Daily Riding40%
Touring15%
Passenger20%

Rider Profile

Best ForBest suited to younger or novice riders, or licensed 50cc-class riders, looking for a lively first taste of supermoto handling.
PurposeDesigned for playful, high-revving urban riding and light supermoto-style thrashing rather than any serious distance work.
Rider FitIts very low dry weight and compact dimensions make it easy to flick around and manage at a stop, suiting smaller or lighter riders well.
CharacterA buzzy two-stroke supermoto that rewards revving and aggressive cornering with sharp, go-kart-like responses.
Not Ideal ForNot the right choice for riders wanting sustained highway speed, long-distance comfort, or carrying a passenger any real distance.

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

Rider Fit Visualizer

2021 Derbi Senda DRD X-Treme 50 SM Rider Ergonomics Assessment

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

Feet:

At 860mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2021 Derbi Senda DRD X-Treme 50 SM, with a relaxed knee angle of around 130 degrees and a forward-leaning 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Derbi Senda DRD X-Treme 50 SM is an impressive addition to the supermoto market. With its sleek design, powerful engine, and lightweight frame, this motorcycle is perfect for riders looking for a thrilling and agile ride. The 50cc engine provides plenty of power for urban commuting and also makes it a great choice for beginner riders. The responsive suspension and nimble handling make it a joy to ride on twisty back roads, while the comfortable seat and ergonomic design ensure a pleasant experience for longer rides. Overall, the 2021 Derbi Senda DRD X-Treme 50 SM is a fantastic choice for those looking for a stylish, powerful, and versatile supermoto motorcycle. Whether you're a beginner rider or a seasoned motorcycle enthusiast, this bike has something to offer. With its combination of agility, power, and comfort, it's worth considering for anyone in the market for a new set of wheels.
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