FLEXISPOT Multi-Task Office Desk Chair with Integrated Bike

Pros

• +All-in-one design combines an office task chair with an integrated pedal bike
• +Compact footprint under 5 sq ft with silent rolling wheels
• +Adjustable seat height and back-support height
• +Breathable ventilated seat with low-back lumbar support
• +Lets you cycle lightly while you work without a separate under-desk unit

Cons

• −$249.99 — the most expensive pick on the list
• −Armless design won't suit everyone for all-day sitting
• −Replaces your chair rather than supplementing it, so it's an either/or purchase