Commercial Assault Bike Buying Guide: Best Options for Australian Gyms in 2026

The assault bike — also called an air bike or fan bike — has gone from niche CrossFit tool to mainstream commercial gym staple in less than a decade. In 2026, it is found in CrossFit boxes, strength and conditioning rooms, HYROX facilities, boxing gyms, and even corporate wellness centres. The reason is simple: nothing delivers scalable, full-body conditioning work quite like it.

But not all assault bikes are created equal. Buying a commercial assault bike in Australia requires understanding what separates a durable, performance-grade machine from a cheaper unit that will not survive the demands of a commercial environment.

This guide covers everything gym operators need to know before purchasing assault bikes in 2026.

What Is an Assault Bike and Why Is It So Effective?

An assault bike uses a large fan as its resistance mechanism. Unlike traditional exercise bikes with fixed resistance settings, the fan creates air resistance that scales automatically with how hard the user pushes. The harder you pedal and push/pull the handles, the harder it gets — there is no ceiling.

Key training benefits:

• Full-body engagement: unlike a traditional bike, the assault bike engages the upper body simultaneously via push-pull handlebars
• Infinite scalability: works equally well for elite athletes and beginners — the effort is entirely self-regulated
• Metabolic conditioning: exceptional for HIIT, EMOM, and interval-based training protocols
• Low-impact: ideal for members who cannot run due to joint issues but still need high-intensity conditioning work
• No maintenance on resistance: no resistance packs, no calibration — the fan is the resistance

For more on how to balance your cardio equipment floor, see our guide on commercial cardio equipment.

Key Specifications to Evaluate

When comparing assault bikes for commercial purchase, these are the specifications that matter most:

Frame Construction

Commercial assault bikes should use heavy-gauge steel frames — typically 2mm wall thickness or greater. Look for welded (not bolted) joints at high-stress points like the crank area and handlebar pivots. Powder-coat finish should be thick and chip-resistant.

Flimsy frames develop creaks and wobble rapidly in a commercial environment where multiple users are pushing maximum effort multiple times per day.

Fan Blade Construction

Fan blades are typically ABS plastic or steel. Steel fans are heavier and generate more airflow, which creates a smoother, more linear resistance curve. Plastic fans are lighter and cheaper to produce — they can feel less predictable at very high effort levels.

More blades generally means smoother airflow and resistance. Most quality commercial models use 8–12 blade configurations.

Drivetrain: Belt vs Chain

This is one of the most important distinctions in commercial assault bikes:

• Chain drive: traditional, durable, slightly more maintenance (occasional lubrication) but robust under heavy use and easily serviced
• Belt drive: quieter operation, maintenance-free, but more expensive to replace if the belt wears out

For most commercial gyms, either works well. Chain drive is generally preferred for maximum-intensity environments like CrossFit boxes where the bike is hammered daily. Belt drive is preferable for quieter settings (corporate wellness, PT studios) where noise is a consideration.

Console and Display

Commercial assault bike consoles range from basic to advanced. At minimum, look for:

• Calories, watts, RPM, heart rate, time, and distance display
• Programmable intervals (TABATA, custom HIIT programming)
• Large, backlit display visible in all lighting conditions
• Optional: Bluetooth/ANT+ connectivity for tracking apps

Bluetooth connectivity is increasingly expected — particularly in facilities using performance tracking apps or heart rate monitoring systems across their programming.

Seat Adjustability

A commercial bike needs to fit a wide range of users. Look for:

• Horizontal and vertical seat adjustment (both axes)
• Easy, tool-free adjustment mechanism
• Wide adjustment range — minimum 5'2" to 6'4" user accommodation

Handlebar Grip

Rubberised, ergonomic grips are essential for high-intensity use. Non-slip texture matters — sweaty hands on smooth handles are a safety issue and a comfort problem that will generate member complaints.

Weight Capacity

Commercial assault bikes should accommodate a minimum of 135–150kg user weight. Models rated at 120kg or below are typically not fit for commercial use — they will be used by athletes of all sizes, and the frame stress from maximum-effort use exceeds what a lighter-rated machine is designed for.

Footprint and Space Planning

A standard assault bike has a footprint of approximately 1.4m long x 0.7m wide. However, allow for:

• 0.5m clear at the rear for safe mounting/dismounting
• 0.5m on each side for comfortable use and airflow

In a row configuration, assault bikes should be spaced at least 0.5–0.7m apart (centre to centre) to prevent users from interfering with each other and to ensure adequate airflow from the fans.

For circuit-based programming environments, group assault bikes near your functional equipment and flooring zones. See our functional equipment collection for complementary circuit training tools.

Programming Applications

Assault bikes are highly versatile training tools. Common programming applications in commercial gyms include:

HIIT and Interval Training

The assault bike is arguably the best tool for max-effort interval work. Classic protocols:

• TABATA: 20 seconds on, 10 seconds off x 8 rounds
• 30/30 intervals: 30 seconds all-out, 30 seconds easy x 10–20 rounds
• Calorie-based: sprint to a calorie target, rest, repeat

CrossFit and Functional Fitness

Assault bikes feature in countless CrossFit workouts as either standalone conditioning or within AMRAPs, EMOMs, and for-time workouts. For CrossFit box operators, assault bikes are essentially non-negotiable equipment.

Boxing and Combat Sports Conditioning

The full-body, non-impact nature of the assault bike makes it ideal for boxing gym conditioning. Fighters can maintain cardiovascular fitness without additional joint stress. For a full boxing gym equipment guide, see our article on building a boxing gym in 2026.

Rehab and Return-to-Sport

For physiotherapy and allied health facilities, the low-impact nature of the assault bike makes it an excellent cardiovascular conditioning tool during injury rehabilitation — particularly for lower limb injuries where running is contraindicated.

How Many Assault Bikes Do You Need?

Recommendations by facility type:

• CrossFit box (20-person class): 6–8 minimum (bikes rotate in WODs)
• Boutique HIIT studio (15-person class): 10–15 (if bikes are primary equipment)
• S&C facility: 2–4 as conditioning tools
• Open-floor commercial gym: 2–6 depending on membership size and demand
• Boxing gym: 4–8 for circuit conditioning

Maintenance Requirements

Assault bikes are relatively low-maintenance compared to other cardio equipment:

• Chain drive models: lubricate chain every 3–6 months depending on use intensity
• Belt drive models: essentially zero drivetrain maintenance
• All models: wipe down fan housing and seat post; check and re-torque bolts quarterly; inspect pedals and crank arms for wear
• Fan blades: inspect for hairline cracks annually — a cracked blade at speed is a serious safety hazard

What to Ask Your Supplier Before Buying

Before committing to a commercial assault bike purchase, ask these questions:

• What is the warranty on frame, parts, and labour?
• Are replacement parts (pedals, cranks, belts/chains, fan blades) available in Australia?
• What is the lead time for replacement parts?
• Is there Australian-based technical support?
• What is the recommended service interval and who services it?

For guidance on what to look for in a gym equipment supplier more broadly, read our guide on evaluating equipment suppliers.

Frequently Asked Questions

What is the difference between an assault bike and an air bike?

Assault bike and air bike are used interchangeably. "Assault Bike" was originally a brand name (Assault AirBike) that became genericised, much like "Kleenex" for tissues. The terms now describe the same category of fan-resistance, full-body exercise bike.

Are assault bikes suitable for deconditioned clients and beginners?

Yes — this is one of the bike's great strengths. Because resistance is purely air-based, a beginner pushing gently generates very little resistance. The bike scales to the user. Beginners typically start with lower RPM, moderate effort intervals, and progress from there.

How long do commercial assault bikes last?

A quality commercial assault bike should last 7–10+ years in a commercial environment with proper maintenance. Frame and fan quality are the primary longevity determinants — invest in a commercial-grade model and it will outlast multiple generations of other cardio equipment.

Can assault bikes be used outdoors?

Most assault bikes are not rated for permanent outdoor installation. Sun, moisture, and humidity will degrade electronics, rust frames, and deteriorate seats rapidly. If outdoor use is required, look for specifically outdoor-rated models or protect bikes with appropriate shelter.

What calorie output can clients expect from an assault bike session?

A 10-minute maximum-effort assault bike session can burn 150–250+ calories for a conditioned athlete. Calorie output varies enormously by effort level, body weight, and conditioning. Displayed calorie figures on consoles are estimates — useful for comparison and programming, not precise medical measurements.

Equip Your Gym with Commercial Assault Bikes

The assault bike is no longer optional for serious fitness facilities in Australia. If your gym does any HIIT, functional fitness, CrossFit, boxing, or conditioning programming — and does not have assault bikes — you are missing one of the most effective and member-valued tools available.

Compound Fitness Equipment supplies commercial-grade cardio and conditioning equipment to gyms, boxes, and studios across Australia.

👉 Browse our cardio equipment range or contact our team to discuss your requirements.