Aerofit AF 631U Upright Bike
The Aerofit AF 631U is a magnetic upright bike for home that stays whisper-quiet. Friction-free magnetic resistance with 8 levels, a 6 kg precision-balanced flywheel and a centre-mounted poly-V belt drive give a smooth ride, so you can work out without disturbing anyone.
Key features of the AF 631U magnetic upright bike for home
- 8-level magnetic resistance: friction-free and quiet
- 6 kg flywheel: precision balanced for a smooth ride
- Super-silent poly-V belt: centre-mounted drive
- Adjustable seat: 8 vertical levels plus sliding horizontal adjustment
- Heart rate sensors: built into the U-bar hand grips
- LCD console: time, speed, distance, pulse and calories
AF 631U specifications
| Dimensions | 48 (L) × 24 (W) × 58 (H) in |
|---|---|
| Resistance | Magnetic, friction-free, 8 levels |
| Flywheel | 6 kg, precision balanced |
| Drive | Centre design, super-silent poly-V belt |
| Pedals | Extra wide, self-balancing, adjustable straps |
| Seat | 8-level vertical, sliding horizontal adjustment |
| Handlebars | U-bar with contact heart rate sensors |
| Display | LCD: time, speed, distance, pulse, calories |
| Crank | 3-piece assembly |
| Power | 2 × AA batteries (1.5 V) |
| Max user weight | 120 kg |
Ideal for
Quiet daily cardio at home, rehab and low-impact workouts, for users up to 120 kg.
Frequently asked questions
Is the AF 631U quiet?
Yes. Magnetic resistance and a poly-V belt drive make it very quiet.
How many resistance levels does it have?
8.
Does it measure heart rate?
Yes, through sensors in the hand grips.
What is the maximum user weight?
120 kg.
Why choose Aerofit
Aerofit is part of a fitness legacy that began in 1928. We’ve equipped more than 20,000 gyms and homes across India, and our service centres cover the whole country.
Explore more
Compare it with the AF 635U Upright Bike and AF 681U Upright Bike, or browse all home fitness equipment.
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