14 August. Friday 2026
Cobra CX50SRX FWE - 2021 Specifications and Reviews
The 2021 Cobra CX50SRX FWE is a lightweight 50cc minibike engineered for young riders and beginners seeking an affordable entry into off-road riding. Powered by a liquid-cooled two-stroke engine with V-Force reed valve technology and a tuned exhaust system, it delivers responsive performance in a compact package. Best suited for training and casual trail use, this automatic-transmission bike combines durability with ease of operation for novice riders.
Engine and Transmission Specifications | |
| Exhaust system | Works Style tuned pipe and silencer |
| Clutch | Cobra 5Gx Freewheeling 3-Shoe |
| Transmission type | Chain (final drive) |
| Gearbox | Automatic |
| Cooling system | Liquid |
| Lubrication system | Mixture lubrication |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Carburettor. 19 mm |
| Bore x Stroke | 39.0 x 41.7 mm (1.5 x 1.6 inches) |
| Engine details | Cobra FWE Venom engine. V-Force Reed Valve. |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 50.0 ccm (3.05 cubic inches) |
| Category | Minibike, cross |
| Year | 2021 |
| Model | Cobra CX50SRX FWE |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Forged and Anodized wheels. Dunlop Geomax MX3S tyres. |
| Rear brakes | Single disc |
| Diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc |
| Rear tire | 70/100-10 |
| Front tire | 60/100-12 |
| Rear wheel travel | 248 mm (9.8 inches) |
| Rear Suspension | CARD Fully Adjustable (High and Low Speed) |
| Front wheel travel | 210 mm (8.3 inches) |
| Front Suspension | CARD Smart-Leg 32mm USD Fully Adjustable |
| Frame type | Hybrid Oval/Backbone Twin Spar |
Physical measures and capacities | |
| Fuel capacity | 2.80 litres (0.74 US gallons) |
| Wheelbase | 1038 mm (40.9 inches) |
| Ground clearance | 245 mm (9.6 inches) |
| Seat height | 680 mm (26.8 inches) If adjustable, lowest setting. |
| Dry weight | 40.5 kg (89.3 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
| Color options | Yellow/red/white/black |
Performance Profile & Rider Fit
Best For
Track60%
City5%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a kids' or youth-level 50cc motocross minibike, best suited to young beginners or very small, lightweight riders learning off-road skills under supervision. |
| Purpose | Built purely for junior motocross and off-road track practice, not for general riding, commuting, or adult use. |
| Rider Fit | Its tiny 40kg dry weight, low 680mm seat height and minimal power make it manageable for children and lightweight novice riders, but unsuitable for full-size adults. |
| Character | A proper miniature motocrosser with fully adjustable premium suspension and disc brakes, mimicking full-size MX bike handling and feel in a scaled-down package. |
| Not Ideal For | Not for adults, highway or road use, touring, passengers, or anyone expecting real speed or long-distance comfort. |
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 Cobra CX50SRX FWE is a powerful and high-performance motocross bike that's perfect for riders of all skill levels. With its rugged design and top-of-the-line components, this motorcycle is sure to impress even the most discerning riders. The FWE (Factory Works Edition) version of this bike boasts enhanced features and performance upgrades, making it stand out from its predecessors. Whether you're hitting the trails or tearing up the track, the CX50SRX FWE offers unbeatable speed, agility, and handling for an exhilarating riding experience. One of the standout features of the 2021 Cobra CX50SRX FWE is its impressive power-to-weight ratio, allowing for unmatched acceleration and top speed. The bike's state-of-the-art suspension system and lightweight frame provide excellent maneuverability and control, making it a top choice for serious motocross enthusiasts. With its durable construction and reliable performance, the CX50SRX FWE is a fantastic option for anyone looking for a high-end motocross bike that delivers on both power and precision.Add a Comment
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