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50cc Dirt Bike for Kids NRG50 14/12" – 2-Stroke 9 HP (from age 6)
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Product details
50cc Dirt Bike for Kids NRG50 14/12": performance, safety and freedom from age 6
Give your child an authentic and safe 50cc dirt bike experience with the NRG50 14/12", a 50cc dirt bike for kids built to combine performance, robustness and pure fun. Ideal from age 6 and up to around 12-14 depending on build, this petrol mini dirt bike pairs a powerful 2-stroke engine (9 HP) with an ultra-tough structure. With a top speed of 50 km/h (adjustable for beginners), it turns every outing into an adventure. At XtremRS, this model belongs to our kids thermal motocross bike range. Perfect for circuits or private land, it prepares your child to master the basics with confidence. Discover our guide to choosing the ideal motocross bike by age.
A 50cc 2-stroke engine with 9 HP: the powerful 50cc dirt bike for kids
The heart of this 50cc dirt bike beats to the rhythm of an air-cooled 2-stroke engine, designed for reactive acceleration without overheating, even during the most intense sessions. With 9 horsepower, it propels the NRG50 to 50 km/h (adjustable via the kill switch for novices), while staying easy to control thanks to its automatic clutch. No risk of stalling: the kickstarter guarantees instant ignition, even after a fall. For optimal durability, we recommend a 1:20 fuel/oil mixture (see our maintenance guide). XtremRS tip: after 5 hours of use, check the spark plug and oil level.
Steel frame and adjustable suspension: the stability of a real 50cc dirt bike
The NRG50 14/12" stands out with its treated steel frame, which boosts resistance to corrosion and impacts. The telescopic front forks (30 mm diameter) and the adjustable rear mono-shock absorb vibrations and jumps with precision, offering comfort even on rough terrain. The ergonomic seat (61 cm height) and aluminium handlebars (66 cm width) ensure a natural riding position. At just 39.8 kg, this kids' dirt bike is highly manoeuvrable and supports up to 60 kg. Tested in real conditions on XtremRS partner circuits (such as La Roche-en-Brenil).
Racing exhaust: the sound and performance of a 2-stroke 50cc dirt bike
The NRG50's competition exhaust isn't just about style: its optimised design improves gas evacuation, slightly boosting power at high revs while producing a deep, motivating sound. Made of stainless steel, it resists rust and high temperatures. Unlike entry-level models, it is fixed with reinforced clamps to prevent vibrations. For bigger teens it makes a genuine transition model (see also our motorbikes for teens category). XtremRS safety tip: regularly check the fixings and clean the silencer with a damp cloth.
Protected chain: safety and longevity of your 50cc kids' dirt bike
The high-resistance chain transmission (with hardened steel sprockets) is fully protected by a reinforced plastic casing, removing the risk of injury or snagging. This sealed system also keeps out dust and mud, reducing premature wear. Unlike cheap 50cc dirt bikes, the NRG50 uses an industrial-quality chain (identical to those on 110cc models), factory-greased. Recommended maintenance: lubricate the chain after each ride with specific 2-stroke grease (available in our accessories shop). "A well-maintained chain lasts 3 times longer", says our chief mechanic.
Reinforced swingarm: road holding of a 50cc dirt bike worthy of a 110cc
The NRG50's rear swingarm has been redesigned with a thickened tubular steel structure, offering more rigidity without adding weight. This often-neglected component is crucial for cornering stability and shock absorption. The sealed bearings (dust-proof) guarantee smooth rotation over thousands of kilometres. Combined with the adjustable rear shock, the swingarm lets you tune seat height and firmness to your child's weight and riding style. Field test: on the bumps of the Venarey-les-Laumes circuit, the NRG50 showed road holding worthy of a 110cc.
Front/rear disc brakes: safety at the heart of the 50cc dirt bike
Safety is at the heart of the NRG50 14/12", with a disc braking system (∅180 mm front, ∅160 mm rear) far more effective than the drum brakes of cheap 50cc dirt bikes. The hydraulic calipers offer perfect progressivity, avoiding the abrupt lock-ups that could unbalance a young rider. The semi-metallic pads resist overheating, even after repeated downhill braking. Hence the importance of adjusting lever sensitivity (tools included) for small hands, and equipping your child with an approved helmet. See our safety guide for more.
Kill switch and adjustable throttle: parental control over the 50cc dirt bike
The NRG50 includes two essential devices for parents: the magnetic kill switch (mounted on the handlebars) instantly stops the engine in case of danger, even from a distance; the adjustable throttle limits maximum power (ideal for beginners). These features, often absent on cheap 50cc dirt bikes, make the NRG50 a responsible choice. Our advice: start at 50% power for the first few days, then increase gradually. Also discover our protective gear recommendations (helmet, back protector, gloves).
Why buy your 50cc dirt bike for kids NRG50 from XtremRS?
At XtremRS, we don't just sell a 50cc dirt bike for kids: we offer a turnkey experience, with responsive after-sales support (spare parts within 48h, detailed maintenance guides), a 12-month manufacturer warranty (extendable to 24), a network of partner circuits, compatible accessories and personalised support. Find all our models for the youngest riders in the kids dirt bikes 6 to 10 years category. The NRG50 14/12" is more than a bike: it's a passport to adventure, designed to grow with your child.
Warning
The user must wear adapted protective equipment and be under adult supervision.
The purchase of a vehicle such as a Dirt bike, Pit bike, Quad made by a minor over 14 years old is done under the responsibility of an adult. Only one user must ride the vehicle.
The purchase on the XtremRS site must be made by an adult.
Warning: vehicles such as Dirt bikes / Pit bikes / Quads / Pocket quads are motorised vehicles and not toys.
It is recommended to perform assembly and maintenance at a professional. We recommend users check the vehicle's condition before and after each use.
General
- Brand Nitro Motors
- Reference 11104530808
Features
- Engine Thermique 2 Temps
- Front Wheel Size 14"
- Rear Wheel Size 12"
- Engine displacement 50cc
- Power 8.9 CV
- Brake Type Freins à Disques
- Cooling Par Air
- Clutch Automatique
- Transmission Chaine
- Front tires 2,50-10
- Rear tire 2,50-10
- Net Weight 40
- Seat height 610
- Wheelbase 940
- Starter Type Kick