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Our next release of Pro X bikes is currently in production. Orders will start shipping in February, and will be fulfilled on a first-come, first-served basis.
Pro X merges the best of our Classic and Elite bikes into one powerhouse piece of equipment. The 2-stage belt drive may make the ride smoother and quieter, but don’t be fooled. The pain’s just as potent.
Free shipping to anywhere in the contiguous United States. Learn more.
The AssaultBike Pro X has you covered: 7-year frame, 3-year moving parts

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Pro-level performance
MAXIMUM OUTPUT. MINIMUM UPKEEP.
Pro X’s 2-stage belt drive harnesses your power directly for a smoother, slip-free ride. Extra protection against sweat, dirt, and debris keeps maintenance to a minimum, no matter how brutal your training is.
- No electricity required
- Hydraulically pressed ISIS-drive
- Connections with 2-stage belt drive
- Corrosion-resistant industrial powder coating

Ergonomic features
DESIGNED FOR DOMINANCE
Pro X's padded seat and foot peg placement promote the best form possible on a fan bike. The extended front stabilizer creates a secure base, so the bike stays planted when you’re thrashing through sprints.
- Compact frame for easy storage
- Adjustable stabilizing feet
- Transport wheels for easy mobility
- Device and water bottle holders

Metric tracking
CONNECT TO THE CHAOS
Attack any goal with seven onboard programs or the competition mode setting. The console features a high-contrast LCD screen with device connectivity so you can track the severity of every session in the Assault Fitness app.
- Bluetooth and ANT+ connectivity
- Onboard training programs
- Competition mode setting
- Tracks time, distance, heart rate, watts, RPM, speed, and calories
If I could have only one piece of cardio equipment, this would be it.
I’ve used almost every type of air bike and the Pro X is by far the best.
Durable, smooth, easy to piece together. Gives you an absolute banger of a workout.
Frequently Asked Questions
Is AssaultBike Pro X hard to assemble?
Our AssaultBike is designed to assemble quite easily. In fact, it is roughly 75% assembled right out of the box. Simply follow the instructions and allow yourself approximately 35-45 minutes. The tools to assemble the product are included.
What are the weights and dimensions of the AssaultBike Pro X?
- Dimensions (Assembled): 51.7”L x 24.5”W x 52.5”H (cm 131.4L x 62.3W x 133.4H)
- Weight (Assembled): 125 lbs (56.7 Kg)
What is the maximum user weight capacity of AssaultBike Pro X?
- The max user weight for AssaultBike Pro X is 330 lbs.
What is the warranty for AssaultBike Pro X?
- AssaultBike Pro X comes with a 7-year frame, 3-year non-wear parts warranty.
Compare AssaultBikes
Check out the key differences between our Classic, Pro X, and Elite AssaultBikes.




Easy + quick install
Easy + quick install
Easy + quick install
No electricity required
No electricity required
No electricity required
Steel (Commercial)
Steel (Commercial)
Steel (Enhanced Commercial)
Matte Black (Black accents)
Matte Black (Black accents)
Platinum Silver Metallic (Red accents)
300 lbs
330 lbs
350 lbs
Chain drive
Belt drive (first stage cogged belt + second stage poly-V)
Chain drive
Hydraulically pressed square-taper connections
Hydraulically pressed ISIS-drive connections
Hydraulically pressed ISIS-drive connections
Metal chain guards
Plastic shrouds (EN957 compliant)
Plastic shrouds
High-contrast LCD
High-contrast LCD (improved readability)
High-contrast LCD (improved readability)
Polar wireless; Bluetooth: N/A
Dual-band HR (Bluetooth & ANT+); Bluetooth: connects to Fiit
Dual-band HR (Bluetooth & ANT+); Bluetooth: connects to Assault Fitness App
N/A
Yes
Yes
N/A
—
—
Flat “Sport” configuration
Flat “Sport” configuration
Angled “Comfort” configuration
Sport seat; 11 height settings; 5 fore-aft settings; Steel seat post
Sport seat; 11 height settings; 6 fore-aft settings; Steel seat post
Elite seat; 12 height settings; Infinite fore-aft; Aluminum seat post
Available add-on
Available add-on
Integrated
5 yrs / 2 yrs / N/A
7 yrs / 3 yrs / N/A
10 yrs / 3 yrs / 1 yr
95.64 lb (43.38 kg)
125 lb (56.7 kg)
138.89 lb (63 kg)
50.95 in × 23.34 in × 50 in
129.41 cm × 59.28 cm × 127 cm
51.73 in × 24.52 in × 52.51 in
131.4 cm × 62.3 cm × 133.4 cm
55.08 in × 26.26 in × 55 in
139.90 cm × 66.70 cm × 139.70 cm
107.14 lb (48.60 kg)
140 lb (63.5 kg)
160.94 lb (73 kg)
50.25 in × 10.63 in × 34.75 in
127.64 cm × 27 cm × 88.27 cm
53.5 in × 11.0 in × 34.6 in
136.0 cm × 28.0 cm × 88.0 cm
52.36 in × 13.78 in × 37.40 in
133 cm × 35 cm × 95 cm








