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Flux Primo

Last updated: 26 June 2025

The Flux Primo is an electric off-road motorcycle from Slovakia with 85 hp and 750 Nm of torque. Launching in 2025 for $12,650 (UK £9,867 / EU €11,764), it features a 7 kWh battery, 40 km (25 mi) range, regenerative braking, and a virtual clutch system for advanced trail control.

Starting price: US$ 12650 *

Technical Specifications:

manufactured in  Slovakia 
motorcycle type  Off-road 
sales start  2025 
range (km)  40 
max. speed  112 
transmission  chain 
battery (kWh) 
0 to 100 km/h (sec)  no data 
power (h.p.)  85 

* Minimum price set by the manufacturer, excluding taxes and additional options

User Rating: 3.54 / 5

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Flux Performance Company logo
Flux Primo photo
Image credit: Flux Performance

Flux Primo Review

Flux Primo Electric Off-Road Motorcycle: Launching the Future of Trail Riding

Meet the Flux Primo, Slovakia’s ambitious electric off-road contender that’s shaking up the dirtbike segment in all the right ways. Slated for a 2025 debut, this trail monster is being unleashed by Flux Performance with a price tag of $12,650 (UK £9,867 / EU €11,764), ready to outgun the gas crowd. Packing 85 horses into an agile frame, it’s designed for serious trail shredders who want torque, tech, and a ride that speaks fluent adrenaline. Whether you're into motocross mayhem or enduro finesse, this one's engineered to keep up—if not pull ahead. And yes, it’s already piqued the interest of dirt-heads from Red Bull Ring to the Rockies.

  • Manufactured in Slovakia, the Flux Primo is Flux Performance's debut model and a promising prototype turned pre-order magnet.
  • It was unveiled as a concept aimed at real-world performance validation through community collaboration and off-road testing.
  • With a sticker price around $12,650 (UK £9,867 / EU €11,764), it's undercutting several ICE and EV rivals with similar torque stats.
  • The 2025 sales launch targets both early adopters and off-road purists eager for electric performance minus the hype.

Specs: Battery and Performance

Battery and Charging

The Flux Primo comes with a 7 kWh battery setup, which might sound modest, but is complemented by smart tech like regenerative braking and a hot-swappable battery module. The bike covers 40 km (25 miles) on a single charge—short by street standards, but on par with focused off-road machines. Flux adds a neat trick with 400V swappable cells to drastically cut downtime. A cooling system that handles both the motor and battery ensures performance won’t throttle when you're deep in the woods.

  • Battery Capacity: 7 kWh
  • Charging: Quick swap via 400V modular pack
  • Range: 40 km (25 miles)
  • Regenerative Braking: Yes, with active energy recovery

Performance and Drivetrain

The Primo’s featherweight 7.7 kg (17 lbs) motor delivers 85 hp and a staggering 750 Nm (553 lb-ft) of torque. That’s sports car territory wrapped in off-road gear. With chain drive and a straight-cut gear setup, it’s built for quick response and less power loss. No manual clutch here—instead, a “virtual” system that simulates clutch feel without the bulk or heat. Power is adjustable through the Engine Tuner app, allowing a chill ride or full-send depending on trail mood.

  • Power: 85 hp (63 kW)
  • Torque: 750 Nm (553 lb-ft)
  • Transmission: Chain with straight-cut gears
  • Virtual Clutch: Yes

The prototype includes rider-adjustable modes, app-based tuning, and safety tools like GPS theft alerts and PIN-locks. Pricing starts at $12,650 (UK £9,867 / EU €11,764) with production rolling out in 2025.

Exterior Features of the Flux Primo

Exterior

The Flux Primo sports an aluminium twin-spar frame inspired by HM Moto’s aggressive geometry. With KYB front forks and an Ohlins shock at the rear, this isn't your average dirt tracker. Slim, sharp, and sturdy, its stance screams agility. The frame is built for tight singletrack flicks and high-speed jumps with a low center of gravity for added confidence. LED lights and aggressive styling complete its Euro-enduro aesthetic.

Pros and Cons:

Pros

  • Massive 750 Nm (553 lb-ft) torque output
  • Swappable 400V battery for extended use
  • Virtual clutch simplifies riding off-road
  • High-end suspension with KYB and Ohlins
  • App-based tuning and anti-theft tools

Cons

  • Limited range of just 40 km (25 miles)
  • No published 0–100 km/h time
  • Still in prototype phase; may face delays
  • Price may deter casual riders

Conclusion: A New Chapter in Dirt Riding

The Flux Primo delivers raw performance and Euro-spec agility for off-road fanatics who like their torque electric and their bikes smart. While it won’t win any awards for range, it makes up for it with quick-swap batteries, high-end suspension, and an app-based brain that lets you tweak every last drop of trail-burning power.

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Image credit: Flux Performance

Watch the Video Overview

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Flux Primo Video Overview
Video review
Image credit: Flux Performance

Comparison:

The Flux Primo finds itself squaring off against a new generation of electrified dirt warriors. Its primary rivals include the CAKE Kalk OR, Sur-Ron Storm Bee, Zero FX, and Stark VARG. All bring a unique flavor to the mix, but few deliver the same torque-rich, modular battery approach of the Primo.

Range Comparison

The Flux Primo offers a 40 km (25 mile) range, making it more of a session-based machine unless paired with extra battery packs. The CAKE Kalk OR stretches up to 80 km (50 mi), while the Sur-Ron Storm Bee posts about 100 km (62 mi) per charge. The Zero FX edges ahead with 144 km (89 mi) in city riding, and the Stark VARG promises a solid 110 km (68 mi). Primo’s edge lies in quick-swap batteries that offset the shorter range during back-to-back rides.

Acceleration and Power

Flux Primo comes out swinging with 85 hp (63 kW) and a staggering 750 Nm (553 lb-ft) torque. The Stark VARG claims 80 hp and similar torque, putting it neck and neck. Zero FX delivers a modest 46 hp (34 kW) and 106 Nm (78 lb-ft), while Sur-Ron Storm Bee clocks in at 22.5 kW (30 hp) and 520 Nm (384 lb-ft). CAKE Kalk OR trails with 13 hp (10 kW). In sheer force, Primo takes pole position for torque-hungry riders.

Charging and Battery System

Unlike its competitors, Flux Primo’s 400V battery can be swapped in minutes, eliminating the wait typical of EVs. CAKE and Sur-Ron need about 2.5–3.5 hours for full charge, while Zero FX uses a modular pack but takes 9.7 hours standard. The Stark VARG charges in roughly 1–2 hours with a fast charger. Still, the Primo’s swap-and-go system sets it apart when time is money—or adrenaline.

Price Point Comparison

The Flux Primo comes in at $12,650 (UK £9,867 / EU €11,764). CAKE Kalk OR lands higher at $14,370 (UK £11,200 / EU €13,350), while Sur-Ron Storm Bee sells at $9,499 (UK £7,400 / EU €8,820). Zero FX asks $12,995 (UK £10,130 / EU €12,080), and Stark VARG enters the arena at around $13,000 (UK £10,140 / EU €12,090). Primo sits comfortably in the mid-tier, offering top-shelf torque and swappable batteries at a competitive price.

Overall Verdict

If you’re chasing torque, customizability, and a fast battery turnaround, the Flux Primo makes a compelling case. While its range trails rivals like the Zero FX and Stark VARG, its quick-swap tech, futuristic clutch, and tech stack make it a standout for riders who want to ride hard and recharge later—literally.



FAQ:

What is the range of an electric motorcycle?

The Flux Primo electric motorcycle has a range of approximately 100 miles (160 kilometers) on a single charge.

How long does it take to charge an electric motorcycle?

Charging the Flux Primo electric motorcycle typically takes about 4-6 hours using a standard Level 2 charger.

How much does an electric motorcycle cost?

The price of the Flux Primo electric motorcycle is approximately $12,650, which is roughly €11,800 or £10,300, depending on current exchange rates.

What are the best electric motorcycle brands?

Some of the top electric motorcycle brands include Flux, Zero Motorcycles, Harley-Davidson (LiveWire), and Energica.

How does an electric motorcycle compare to a gas motorcycle?

Electric motorcycles like the Flux Primo are generally quieter, have fewer maintenance requirements, and offer instant torque compared to gas motorcycles. They are also more eco-friendly.

What are the maintenance requirements for an electric motorcycle?

Electric motorcycles typically require less maintenance than gas motorcycles. Maintenance mainly includes battery checks, tire maintenance, and brake system checks.

Are there any government incentives or tax credits for buying an electric motorcycle?

Many governments offer incentives and tax credits for purchasing electric vehicles, including motorcycles. These can vary widely by country and region.

What is the top speed of an electric motorcycle?

The Flux Primo has a top speed of about 85 mph (137 km/h).

Where can I find charging stations for my electric motorcycle?

Charging stations for electric motorcycles can be found using various apps and websites that map out public charging points. Many are located at parking lots, shopping centers, and along major highways.

How long does the battery last on an electric motorcycle?

The lifespan of the battery in an electric motorcycle like the Flux Primo is typically around 5-8 years, depending on usage and care.