NRG50 RS Racing Dirtbike 50cc Racing for Experienced Young Riders

€909.90
Tax included
Couleur: Orange
Restocking in progress, pre-order available

2-stroke dirt bike 50cc NRG50 RS Racing, 9 HP (6.6 kW), for young riders already experienced in motocross — not a first bike. Up-Side Down suspension, dual-circuit hydraulic brakes, automatic transmission. 2-year warranty. XtremRS!

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Product details

The NRG50 RS Racing: 50cc Racing Dirt Bike for Experienced Young Riders

Discover the NRG50 RS Racing, a 2-stroke 50cc dirt bike built to combine racing power, aggressive design, and premium technology. With its 9 HP (6.6 kW) and instant torque, this mini cross bike is aimed at young riders already experienced in motocross or small-frame adults looking for an ultra-agile machine — it is not a first dirt bike. Its power output, well above classic entry-level 50cc models, requires prior off-road riding experience to be handled safely. Its optimised air-cooled engine and deep-sounding exhaust make it a flagship model for motocross enthusiasts seeking reliability and performance.

NRG50 RS Racing Dirtbike 50cc racing overview

50cc 2-stroke engine: power and durability for an uncompromising dirt bike

At the heart of this NRG50 RS Racing beats a 2-stroke 50cc engine producing 6.6 kW (9 HP) — a feat for a dirt bike in this category, well above classic entry-level 50cc models. Thanks to its optimised oil injection system and 1:20 petrol-oil mix, this engine delivers exceptional durability even under intensive use. The reliable kickstarter and electronic ignition guarantee instant starts, while the automatic chain drive (with reinforced protection) eliminates the risk of breakage. XtremRS tip: check the spark plug and oil level regularly to preserve performance. Its oversized exhaust with large header improves not only the racing sound, but also gas evacuation for optimal efficiency.

Up-Side Down suspension and hydraulic shock: comfort and control in all conditions

The NRG50 RS Racing stands out for its premium suspension, rarely found on a 50cc dirt bike. At the front, an inverted (Up-Side Down) oil-pressure fork absorbs impacts with surgical precision, while at the rear, an adjustable hydraulic shock keeps the wheel planted even through the most technical jumps. This system delivers:

  • Enhanced stability in corners and straights, ideal for already-progressing riders.
  • Optimal comfort on rough terrain (bumps, roots, rocks).
  • Reinforced durability thanks to sealed joints and corrosion-resistant materials.

XtremRS recommendation: adjust the rear spring preload according to rider weight (up to 75 kg payload) for perfect handling.

NRG50 RS Racing Dirtbike 50cc Up-Side Down suspension
NRG50 RS Racing Dirtbike 50cc racing fairing frame

Racing fairing and ultra-durable frame: design and protection for a premium dirt bike

The aggressive design of the NRG50 RS Racing isn't just about looks: its high-density injection-moulded fairing protects vital components (engine, radiator, wiring) from mud splashes and impacts. The aluminium mounts and reinforced weld points of the frame guarantee unbreakable rigidity, even after hundreds of hours of use. The details that make a difference:

  • UV-resistant paint for a lasting like-new look.
  • 3D decals, chip-resistant, for a pro style.
  • Widened wheel arches to fit wider tyres if needed.

Safety tip: after every session, clean the fairing with a microfibre cloth and soapy water to prevent abrasive mud build-up.

Reinforced fork and wide handlebar: precision and manoeuvrability for a 12/10-inch dirt bike

The NRG50 RS Racing is fitted with a hardened steel front fork (30 mm diameter) and machined aluminium triple clamps, offering optimal rigidity without adding weight (only 43 kg unladen). Its wide handlebar (610 mm) made of 6061 aluminium allows precise control, even in technical sections, while anti-vibration grips reduce hand fatigue. Other ergonomic strengths:

  • Fixed seat height (65 cm) — check the rider's height is compatible before purchasing.
  • Knurled footpegs for perfect foot grip.
  • Front/rear hydraulic braking (2-piston calipers) for progressive, safe stopping.

XtremRS tip: given the high power output for the category, we recommend this model to riders who already have some prior dirt bike experience, not as a first bike. For absolute beginners, browse our entry-level models in the kids petrol motocross category.

NRG50 RS Racing Dirtbike 50cc wide handlebar reinforced fork
1. What is a 50cc dirt bike and who is this Nitro Motors NRG50 RS Racing model for?
A 50cc dirt bike is a lightweight, compact off-road motorcycle designed for use on closed circuits or private land. The Nitro Motors NRG50 RS Racing is a performance-optimised racing model with a powerful engine (9 HP), premium suspension (Up-Side Down shock), and hydraulic braking system. Its power output, high for the category, aims it at young riders already experienced with dirt bikes or small-frame adults — not recommended as a first bike for an absolute beginner.
2. Is this 50cc dirt bike road legal?
No, this NRG50 RS Racing model is not road legal. It is designed exclusively for off-road use (private circuits, closed land, competitions). To legally ride on public roads, a dirt bike must have lights, an approved exhaust, and registration. This model is sold without this equipment.
3. What's the real engine power (6.6 kW / 9 HP) and is it suitable for a beginner?
The engine produces 6.6 kW (9 HP), above the European legal limit for a road-legal 50cc (4 kW / ~5.4 HP) and well above classic entry-level 50cc dirt bikes. This high power requires prior off-road riding experience — we don't recommend this model as an absolute first bike. In competitions for minors, the maximum allowed power is often limited depending on the federation.
4. What type of transmission and starting system does this dirt bike have?
This model features an automatic transmission (no manual clutch), letting riders focus on riding, and a kickstart system, typical of racing dirt bikes for lighter weight and reliability in extreme conditions.
5. What are the benefits of the "Up-Side Down" suspension and the hydraulic braking system?
Up-Side Down (USD) shocks offer better rigidity, more precise impact response, and reduced unsprung weight, improving off-road grip and high-speed stability. The dual-circuit hydraulic braking system (front/rear) guarantees progressive, powerful braking, even in muddy or dusty conditions, with less wear than mechanical systems.
6. What petrol-oil mix should be used and what's the range?
This 2-stroke runs on a 1:20 petrol-oil mix (5% oil to 95% unleaded 95 or 98 petrol). The tank holds 1.5 litres, giving a range of roughly 40-60 km depending on riding style. We recommend using quality 2-stroke oil to preserve the engine.
7. Is this dirt bike suitable for beginners?
Not as a first bike. In favour: automatic transmission (no clutch to manage), light weight (43 kg) easy to handle, progressive power thanks to the 2-stroke engine. Against: 9 HP can be intimidating for an absolute beginner (risk of loss of control), high-performance suspension and brakes require learning to be used well. If the rider already has prior dirt bike experience, plan for full protective gear and start on flat, safe terrain. An introductory course is strongly recommended before moving to this power level.
8. What are the delivery costs and timeframes for this 50cc dirt bike?
Free shipping for orders over €500 (this model qualifies). Delivery time: 5 to 8 business days after order confirmation. Delivery is by appointment (the dirt bike ships in a box, dimensions: 1155x380x605 mm). Assembly: the vehicle ships 90% assembled.
9. What warranty applies and does it cover wear parts?
This dirt bike comes with a 2-year manufacturer's warranty (parts and labour), excluding consumables and safety gear (tyres, chain, brake pads, helmet, gloves). The warranty covers manufacturing defects but not damage from inappropriate use.
10. Can the seat height be adjusted or the dirt bike adapted for a shorter rider?
Seat height is fixed at 65 cm, which can be high for shorter riders. Some adjustments are possible: suspension adjustment (spring preload) to slightly lower the seat, replacing the seat with a slimmer model (not supplied), adjusting footpeg position. For riders under 1.60 m, we recommend testing the model in-store or using thick-soled boots to compensate.
11. What protective gear is mandatory to use this dirt bike?
Minimum mandatory gear includes: approved full-face helmet (ECE 22.05 or 22.06 standard), CE-certified gloves, tall boots, jacket and trousers with protection, neck brace (recommended for jumps). Federation-compliant gear is required for competition.
12. How do I maintain this 50cc dirt bike to extend its lifespan?
After every ride: clean and lubricate the chain, check tyre pressure (average 1.2 bar front / 1.5 bar rear), check the brakes. Every 500 km or 5 hours of use: change the engine oil, clean the air filter. Annually: check wheel bearings and steering, inspect suspension condition.
13. Can this dirt bike be modified to increase performance?
Modifications allowed without voiding the warranty: racing exhaust for more torque, carburettor kit to optimise the mix, knobby tyres for grip on soil. Not recommended: increasing engine displacement, removing the speed limiter if present, modifying the braking system without approval.
14. Where can I ride this 50cc dirt bike?
This non-road-legal model can only be used on: private circuits (affiliated clubs), closed land (with owner authorisation), or motocross/enduro tracks (licensed for competition). Prohibited: public roads, protected natural areas, non-designated public spaces.
15. What accessories are recommended to complete this dirt bike?
Transport: tie-down straps for van or trailer. Maintenance: cleaning kit, suspension adjustment tool. Performance: racing exhaust, graphics kit. Safety: hand guards, removable knee guards, action camera to analyse riding. Comfort: gel seat, knurled footpegs.

Warning

The use of Pitbikes / Dirt bikes / Quads is strictly prohibited on public roads. Use must take place on suitable terrain (circuit, private land).
The user must wear appropriate protective gear and be supervised by an adult.
Purchase by minors over 14 is made under adult responsibility. Only one user may ride the vehicle.
Purchases on XtremRS must be made by an adult.
Warning: Dirt bikes / Pit bikes / Quads are motorised vehicles, not toys. Professional assembly and maintenance are recommended. Check vehicle condition before and after each use.

General

  • Reference ORANGE

Features

  • Engine Thermique 2 Temps
  • Front Wheel Size 12"
  • Rear Wheel Size 10"
  • Engine displacement 50cc
  • Power 8.9 CV
  • Brake Type Freins à Disques Hydraulique
  • Cooling Par Air
  • Clutch Automatique
  • Transmission Chaine
  • Net Weight 43
  • Seat height 650
  • Wheelbase 960
  • Starter Type Kick
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