Rieju MRT 50 SM Trophy - 2021 Specifications and Reviews
The 2021 Rieju MRT 50 SM Trophy is a lightweight super motard designed for novice riders and enthusiasts seeking an agile, street-focused machine. Powered by a liquid-cooled Minarelli NG 50 two-stroke engine with a racing exhaust, it delivers responsive performance ideal for urban riding and track days. Its steel perimeter frame and detachable sub-chassis provide durability and easy maintenance.
Engine and Transmission Specifications | |
| Exhaust system | Racing Muffler with aluminium silencer |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Separate mixture |
| Ignition | CDI |
| Fuel system | Carburettor. Dell´Orto PHBN 16 |
| Bore x Stroke | 40.3 x 39.0 mm (1.6 x 1.5 inches) |
| Engine details | Minarelli NG 50 engine |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 50.0 ccm (3.05 cubic inches) |
| Category | Super motard |
| Year | 2021 |
| Model | Rieju MRT 50 SM Trophy |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Galfer wave disc |
| Diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. Galfer wave disc with double piston caliper |
| Rear tire | 130/70-17 |
| Front tire | 100/80-17 |
| Rear Suspension | Gas Mono-shock shock absorber and seaprate bottle PRS system |
| Front Suspension | R16V inverted fork of Ø40mm. |
| Frame type | Highly resistant double cradle steel perimeter. Detachable rear sub-chassis. |
| | |
Physical measures and capacities | |
| Oil capacity | 1.10 litres (1.16 US quarts) |
| Fuel capacity | 6.30 litres (1.66 US gallons) |
| Wheelbase | 1380 mm (54.3 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall length | 2070 mm (81.5 inches) |
| Overall height | 1145 mm (45.1 inches) |
| Seat height | 870 mm (34.3 inches) If adjustable, lowest setting. |
| Dry weight | 85.0 kg (187.4 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Made in Spain. |
| Instruments | Digital |
| Starter | Kick |
| Color options | White/black/red/blue |
Performance Profile & Rider Fit
8.1 hp
Peak Power
Best For
Track5%
City60%
Cornering30%
Daily Riding45%
Touring10%
Passenger20%
Rider Profile
| Best For | Note: the provided specifications are for a Rieju Nuuk Urban 6 electric minibike, not the named Rieju MRT 50 SM Trophy, so this profile reflects a mismatched, low-powered urban electric model rather than a true supermoto trophy bike. |
| Purpose | Based on the given data, this machine is built as a small-capacity electric commuter for short urban hops rather than performance riding. |
| Rider Fit | The low seat height and light weight make it accessible to smaller or less experienced riders with minimal physical effort required. |
| Character | It behaves as a quiet, low-key electric runabout with modest torque delivery and automatic transmission simplicity. |
| Not Ideal For | This is not suitable for riders seeking real supermoto performance, high speed, offroad capability, or long-distance touring. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 Rieju MRT 50 SM Trophy motorcycle is a fantastic option for riders looking for a lightweight and nimble supermoto bike. With its sleek design and impressive performance, this bike is sure to turn heads on the road. The 50cc engine provides plenty of power for urban commuting and weekend adventures, while the agile handling makes it a joy to ride in tight city streets and twisty backroads. The Rieju MRT 50 SM Trophy also comes equipped with high-quality components such as upside-down front forks, a rear monoshock, and disc brakes for excellent stopping power. The stylish graphics and comfortable seating position further add to the appeal of this impressive motorcycle. Overall, the 2021 Rieju MRT 50 SM Trophy is a top-notch choice for anyone in the market for a versatile and fun supermoto bike that offers a great blend of performance and style.Add a Comment
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