United Motors UM DSR SM 125 2018 vs. Aprilia RX 125 2021

United Motors UM DSR SM 125 2018

United Motors UM DSR SM 125 2018

Aprilia RX 125 2021

Aprilia RX 125 2021

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Technical Specifications United Motors UM DSR SM 125 2018 compared to Aprilia RX 125 2021

United Motors UM DSR SM 125 2018
Aprilia RX 125 2021

Engine and Drive Train

Engine powerEngine power15 HPEngine power15 HP
TransmissionTransmissionChainTransmissionChain
Number of gearsNumber of gears5Number of gears6
CylindersCylinders1Cylinders1
StrokesStrokes4-StrokeStrokes4-Stroke
DisplacementDisplacement125 ccmDisplacement125 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock

Brakes Front

TypeTypeSingle diskTypeDouble disk
PistonPistonDouble pistonPistonDouble piston

Brakes Rear

TypeTypeDiscTypeDisc

Dimensions and Weights

Front tyre widthFront tyre width110 mmFront tyre width90 mm
Front tyre heightFront tyre height80 %Front tyre height90 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter21 inch
Rear tyre widthRear tyre width130 mmRear tyre width120 mm
Rear tyre heightRear tyre height70 %Rear tyre height80 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter18 inch
LengthLength2,182 mmLength2,243 mm
WidthWidth808 mmWidth840 mm
Seat HeightSeat Height880 mmSeat Height925 mm
License compliancyLicense compliancyA1License compliancyA1

Pros and Cons in comparison

Pros and Cons in comparison

United Motors UM DSR SM 125 2018

United Motors UM DSR SM 125 2018

Until now, the A1 Supermoto class has been rather thinly populated, but now more and more manufacturers are daring to enter this niche segment. This is also the case for UM with the DSM SM 125, which we put up against the direct competition at the Motorsportpark Bad Fischau. It scores with its compact handling and low weight, but disappoints in the braking zone with its CBS brake system - drifts are impossible with it. The competition is tough, however, which is why we wish the UM DSR SM 125 every success in the A1 class!

low weight

compact handling

high-quality feel

good ergonomics

CBS brake system

Aprilia RX 125 2021

Aprilia RX 125 2021

Unfortunately, our editors did not test this model.

Price Comparison Avarage Market Price United Motors UM DSR SM 125 vs Aprilia RX 125

Price United Motors UM DSR SM 125

Model year
Current average market prices

Price Aprilia RX 125

Model year
Current average market prices

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