| Model Number | |
| AD8 — 220V countries AD7 — 110V countries | AD6i — 220V countries AD6 — 110V countries |
| Resistance | |
| Air, niveaux infinis | Air, niveaux infinis |
| Drive Train | |
| Single-stage belt / High-resistance fan | Single-stage belt / High-resistance fan |
| Heart Rate Monitor | |
| Telemetry — compatible with Polar® 4.5–5.5 kHz straps | Telemetry — compatible with Polar® 4.5–5.5 kHz straps |
| Display | |
| High-resolution multi-window LCD | Large, high-contrast LCD |
| Console Display | |
| Time / Distance / Calories / RPM / Watts / Pulse / Speed | RevMeter™ / Time / Distance / RPM / Calories / Power / Pulse |
| Seat | |
| Fore/aft adjustment | Wide padded seat |
| Water Bottle Holder | |
| Yes | Yes |
| Bike Weight | |
| 51.3 kg | 52.2 kg |
| Maximum User Weight | |
| 160 kg | 136 kg |
| Power | |
| 2 D batteries — AC adapter ready | 2 AA batteries — not included |