The Spirit AB900+ Air Bike combines air-driven and isokinetic resistance with a durable commercial design. Resistance automatically matches the user's effort, making the bike suitable for everything from low-intensity rehabilitation to high-intensity interval training.
The dual-action design allows users to train the upper body, lower body or both simultaneously. Its rider-powered console requires no external power connection, while Bluetooth connectivity allows integration with compatible training apps.

| Frame | Welded steel construction with bolt-on floor stabilisers |
| Fan | 68.6 cm |
| Fan Blades | 9 steel blades |
| Drive system | 2.5 cm chain |
| Resistance | Isokinetic / air resistance |
| Seat adjustment | Up/down: locking pop-pin, fore/aft: lever lock |
| Pedals | Flat, platform-style pedals with anti-skid surface/knurled footrests for upper-body only workout |
| Upper-Body Footrests | |
| Heart rate monitoring | Hand pulse + 5 kHz wireless receiver |
| Floor stabilizers | Bolt-on |
| Electrical requirements | Self-contained power supply, no external power needed (console requires 4x AA batteries) |
| Console display | Rider-powered, Bluetooth-enabled console |
| Console feedback | Interval, target time, distance/calories, watts/speed/RPM and heart rate |
| Programs | Quick start, target time, target distance, target calories, target heart rate, interval 20-10, interval 10-20, interval custom |
| Product (L x W x H) | 121.2 × 70.4 × 137.6 cm |
| Carton (L x W x H) | 132 × 33 × 94 cm |
| Net/Gross weight | 56 kg / 64 kg |
| Max. user weight | 200 kg |
| Frame / Motor | lifetime |
| Running deck | 5 years |
| Parts | 2 years |
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