Enduro Bikes

2021UM DSRX 140

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The 2021 UM DSRX 140 is a lightweight enduro bike designed for beginner and intermediate off-road riders seeking affordable trail adventures. Its 135cc single-cylinder engine delivers modest power suitable for learning fundamental dirt-biking skills without overwhelming inexperienced operators. Known for reliable simplicity and budget-friendly pricing, it excels in recreational off-road riding and trail exploration.

Capacity: 135.0 ccm
Engine: Single single, four-stroke
Gearbox: 5-speed
Dry weight: 132.0 kg
Seat height: 860 mm
Power: 10.7 HP (7.8 kW) @ 8500 RPM

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail62%

Cornering35%

City riding40%

Daily riding35%

Touring20%

Two-up20%

Track10%

Best for: It is best suited to casual light-duty enduro play and short commutes rather than serious off-road adventure or highway travel.
Built for: The small single-cylinder engine and simple carbureted setup give it an approachable, forgiving, and low-stress character.
Not ideal for: It is not for riders seeking highway speed, long-distance touring comfort, or aggressive off-road performance.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 860mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2021 UM DSRX 140, with a cramped knee angle of around 75 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 135.0 ccm
Power: 10.7 HP (7.8 kW) @ 8500 RPM
Torque: 9.7 Nm (1.0 kgf-m) @ 7500 RPM
Engine type: Single single, four-stroke
Power/weight ratio: 0.0811 HP/kg
Bore x stroke: 58.5 x 49.5 mm
Compression: 9.2:1
Cooling system: Air
Fuel system: Carburettor
Starting: Electric & kick
Ignition: CDI

Transmission

Gearbox: 5-speed
Transmission type: Manual

Dimensions & weight

Wheelbase: 1330 mm
Overall length: 2110 mm
Overall width: 810 mm
Overall height: 1130 mm
Seat height: 860 mm
Dry weight: 132.0 kg
Fuel capacity: 6.30 litres
Ground clearance: 240 mm

Chassis & suspension

Front suspension: Hydraulic Telescopic
Rear suspension: Monoshock with Spring
Front wheel travel: 245 mm
Rear wheel travel: 230 mm

Brakes & wheels

Front brakes: Single disc
Rear brakes: Expanding brake (drum brake)
Front tyre: 90/90-19
Rear tyre: 110/90-17

Other

Color options: Red, Orange, Green, White, Silver

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

Rider Reviews

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MotorcycleDB Review

The 2021 UM DSRX 140 is a powerful and agile motorcycle that offers a thrilling ride. With a 140cc engine, this bike provides plenty of speed and acceleration for riders who crave excitement on the road. The lightweight design and responsive handling make it easy to maneuver through tight turns and navigate urban streets with ease. Plus, the DSRX 140's sleek and modern aesthetic is sure to turn heads wherever you go.

Overall, the 2021 UM DSRX 140 is a fantastic option for motorcycle enthusiasts looking for a fun and reliable ride. Its powerful engine and nimble handling make it a joy to ride, while its stylish design adds to its appeal. Whether you're a seasoned rider or a beginner looking for a thrilling first bike, the DSRX 140 is definitely worth considering.