Sherco Red One SM-RS - 2021 Specifications and Reviews

The 2021 Sherco Red One SM-RS is a lightweight 50cc super motard designed for young riders and beginners seeking nimble urban performance. Powered by a liquid-cooled Minarelli two-stroke engine with six-speed transmission, it delivers sharp handling and agile maneuverability. Known for its compact design and approachable character, this bike excels in tight city environments and learner training programs.

2021
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Engine and Transmission Specifications

Exhaust systemAluminum Silencer
DrivelineGear primary drive.
ClutchMultidisc in oil bath
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemAutomatic oil injection
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-RS

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tire3.50-17
Front tire2.50-17
Rear SuspensionMono-shock with adjustable preload
Front SuspensionUp side down Ø 41mm
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
StarterKick
Color optionsBlack/yellow/red

Performance Profile & Rider Fit

Best For

Track60%
City55%
Cornering85%
Daily Riding25%
Touring10%
Passenger10%

Rider Profile

Best ForBest suited to riders with at least some minibike or supermoto experience, since the tiny 50cc two-stroke demands high revs and active riding to keep momentum.
PurposeThis is a pit-bike style supermoto built for tight, technical corner-carving on go-kart tracks or small circuits rather than any serious point-to-point riding.
Rider FitIts ultra-light dry weight and low, compact chassis make it very easy to muscle around, though the low seat height and cramped dimensions suit smaller or younger riders best.
CharacterPlayful, flickable, and rev-happy, it rewards aggressive throttle and brake inputs with go-kart-like agility rather than outright speed.
Not Ideal ForIt is not for riders wanting highway capability, long-distance comfort, or genuine off-road ability, given its tiny engine, small fuel tank, and street supermoto-focused setup.

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-RS 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-RS, 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-RS motorcycle is a thrilling option for those looking for a high-performance supermoto bike. With its powerful engine and lightweight frame, this bike offers fantastic agility and speed for navigating city streets or tearing up the track. The stylish design and top-quality components make for an impressive ride that is sure to turn heads. One of the standout features of the 2021 Sherco Red One SM-RS motorcycle is its superior handling and responsive braking system, making it an excellent choice for riders who crave precision and control. Whether you're a seasoned supermoto enthusiast or a newcomer to the sport, this bike is bound to impress with its performance and style. Overall, the Sherco Red One SM-RS is a top contender in the supermoto category and is sure to deliver an exhilarating riding experience.
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