Description
QuantumRX FLUX 4S Rally Car – Off-Road Thrills with Brushless Power!
The QuantumRX FLUX 4S Rally Car is the newest addition to the QuantumR family, combining high-speed action with off-road performance. Perfectly complementing the road-going QuantumR Muscle Car, this rally car is packed with features for off-road racing, including long-travel shocks, gravel-specific tires, and rally wheels.
Designed for All-Terrain Adventures
With specialized off-road features, the QuantumRX FLUX delivers thrilling performance across any surface:
- 4WD Shaft Drivetrain: Durable and designed for rugged terrains.
- Independent Suspension: Ensures smooth handling and control.
- Oil-Filled Aluminum Coilover Shocks: Adjustable for precision and stability.
- Tredz Stage Belted Gravel Tires: Provide exceptional grip and toughness for multisurface performance.
The car also features a Quantum+ chassis with upgrades like a raised front bumper, rear diffuser, and a spur gear cover to protect against debris.
Unstoppable Brushless Power
Powered by 4S LiPo capability, the QuantumRX FLUX delivers jaw-dropping speed and power:
- FLX10-4S120 Waterproof ESC and FLX10-3675-2250KV Brushless Motor unleash 14.8 volts of off-road fury.
- Designed to handle high speeds with precision, this system guarantees action-packed performance on any terrain.
Stylish and Functional Design
The rally-inspired body combines modern aerodynamics with hard plastic details for durability and scale realism:
- Dual-Level Rear Wing: Adds downforce for better traction.
- Side Mirrors and Rear Diffuser: Enhance the rally car’s realistic look.
- Available in two stunning color options: Classic Maverick Blue or Fluoro Green, with an optional clear body for custom designs.
High-Quality Construction
Every inch of the QuantumRX FLUX is built for durability and performance:
- Heavy-Duty HD Parts: Front universals, rear driveshafts, axles, center driveshafts, diff cups, and turnbuckles—all crafted from high-strength steel.
- Tough 4-Gear Metal Differentials: Deliver smooth power distribution across the drivetrain.
- Protective Foam Front Bumper: Shields the polycarbonate racing body from impacts.
Effortless Control
The included MTX-244 transmitter offers smooth throttle and steering response for a natural driving experience. Simply:
- Use 4x AA batteries for the transmitter.
- Pair it with a 2S–4S LiPo battery for the car, and you’re ready to race!
Driving the QuantumRX FLUX is intuitive and fun, whether you’re a beginner or a seasoned RC enthusiast.
Key Features at a Glance:
- Brushless Power System: 3674 2250KV motor paired with a 120A waterproof ESC.
- Heavy-Duty Build: Includes HD driveshafts, axles, turnbuckles, and more.
- Advanced Handling: Center differential for better drivability.
- Rugged Chassis: Molded tub design with hex pattern reinforcement.
- Factory-Finished Body: Pre-cut and painted for added protection and style.
Specifications:
- Length: 550mm
- Width: 276mm
- Height: 179mm
- Wheelbase: 322mm
Required Items:
- 4x AA Batteries for Transmitter: HPI recommends #101939 Plazma AA batteries.
- 2S–4S LiPo Pack with T-Plug: HPI recommends #160164 Plazma 4S LiPo.
- LiPo Battery Charger.
Join the QuantumR Family
The QuantumRX FLUX 4S Rally Car is part of the exciting Maverick Quantum lineup, which also includes the QuantumR Muscle Car for street racing and the Quantum R FLUX Race Truck for off-road adventures. The QuantumRX FLUX completes the family with its all-terrain capabilities and eye-catching design.
Whether you’re hitting the dirt, gravel, or a makeshift rally track, the QuantumRX FLUX combines power, performance, and style to deliver an unbeatable RC experience. Get ready to dominate the rally scene today!

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