Sherco Red One SM-R - 2021 Specifications and Reviews

The 2021 Sherco Red One SM-R is a lightweight 50cc super motard designed for entry-level riders seeking fun urban commuting and weekend riding. Powered by a liquid-cooled Minarelli two-stroke engine with a six-speed gearbox, it delivers nimble handling and responsive performance in a compact package. Known for its affordability and Euro 4 compliance, it's ideal for learners transitioning to sportier machines.

2021
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Engine and Transmission Specifications

Exhaust systemAluminum Silencer
Emission detailsEuro 4
DrivelineGear primary drive.
ClutchMultidisc in oil bath
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemAutomatic mix
Fuel systemCarburettor
Bore x Stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Engine detailsMinarelli AM6 engine
Engine typeSingle cylinder, two-stroke
Capacity:49.7 ccm (3.03 cubic inches)
 
 

CategorySuper motard
Year2021
ModelSherco Red One SM-R
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tire3.50-17
Front tire2.50-17
Rear SuspensionMono-shock
Front SuspensionTelescopic fork, 37mm
Frame typeChrome-moly steel multi tube

Physical measures and capacities

Fuel capacity7.00 litres (1.85 US gallons)
Wheelbase1360 mm (53.5 inches)
Ground clearance260 mm (10.2 inches)
Seat height850 mm (33.5 inches) If adjustable, lowest setting.
Dry weight83.0 kg (183.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSpanish brand.
StarterKick
Color optionsBlack/yellow/red

Performance Profile & Rider Fit

Best For

Track70%
City60%
Cornering90%
Daily Riding30%
Touring10%
Passenger10%

Rider Profile

Best ForBest suited to riders with prior two-stroke and minibike experience, as this is a small-displacement, high-strung machine that rewards skillful throttle and clutch control rather than raw power.
PurposeBuilt as a pint-sized supermoto mini for tight track days, pit bike fun, and sharpening cornering technique rather than for serious speed or distance riding.
Rider FitIts very low dry weight and compact stance make it easy to muscle around and flick between corners, though the low seat height means taller riders will feel cramped.
CharacterA playful, lightweight two-stroke mini-supermoto that thrives on revs, agility, and tight corner-to-corner flicking rather than outright horsepower.
Not Ideal ForNot a good fit for riders wanting highway speed, long-distance touring comfort, passenger carrying, or genuine off-road capability.

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

Rider Fit Visualizer

2021 Sherco Red One SM-R Rider Ergonomics Assessment

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

Feet:

At 850mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2021 Sherco Red One SM-R, with a relaxed knee angle of around 125 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 Sherco Red One SM-R motorcycle is a top-notch ride for those looking for a high-performance, stylish, and reliable motorcycle. With its sleek design and powerful engine, this bike is sure to turn heads on the road. The Sherco Red One SM-R is perfect for riders who seek an adrenaline rush and want a bike that can handle any adventure, from city streets to rugged off-road terrains. The superior handling and responsive brakes make for a smooth and safe ride, while the comfortable seating ensures long riding stints are a breeze. If you're in the market for a new motorcycle, the 2021 Sherco Red One SM-R should definitely be at the top of your list. Its combination of performance, style, and dependability makes it an excellent choice for any rider looking to take their riding experience to the next level. Whether you're a seasoned rider or a beginner, the Sherco Red One SM-R is sure to impress with its exceptional performance and stunning design. Don't miss out on the opportunity to own one of the best motorcycles on the market.
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