Max. running speed
The highest speed at which the treadmill belt can move. This parameter is indicated only for models of the electric type (see above). For mechanical and magnetic ones, it depends solely on the capabilities of the athlete himself, and it is impossible to accurately indicate the maximum speed in the characteristics of such machines.
The higher the maximum speed the greater the load can be given to the athlete and the better the treadmill is suitable for intensive training. However, for home models, a speed of 15 – 16 km/h is considered quite sufficient; "faster" machines usually belong to the advanced class and are designed for professional athletes.
Note, that for everyday use it does not always make sense to chase a high maximum speed. If your level of physical fitness is not high or if high loads are undesirable, a speed of 10 – 12 km/h may well be enough.
Motor power
Power of the motor installed in the electric treadmill (see "Load system"). This parameter is directly related, first of all, to the smoothness of the belt movement and the maximum speed (see above) — the more powerful the motor, the more uniform the movement of the belt will be and the faster it can move. Also, motor power determines the resistance to high loads: with an equal weight category (see "User weight"),
a more powerful model is better suited for people with large body weight, especially at high speeds.
In general, most recreational treadmills have motors between 1.5 and 2.5 hp; more powerful options usually belong to the professional class.
It is worth noting that above we were talking about the constant power of the motor — that is, the power with which it can work for a long time without being subjected to overloads. In some models of treadmills, the so-called peak power — the power that the motor can develop for a short time, for a few seconds. It is higher, but long-term operation at such a load is fraught with the failure of the device. Therefore, before buying, it is worthwhile to clarify, if possible, what power is implied in the specs — nominal or peak; this is especially true for high-power models.
Foldable design
As the name suggests, this feature allows you to fold the treadmill, greatly reducing its size. It will come in handy if there is not a lot of space in your home and a permanently installed treadmill can create inconvenience — during non-working hours it can be folded and put away. Also,
foldable models should be paid attention to those who often move — for example, in the summer months they choose to go to the country: a folded treadmill can easily fit even in a passenger car, while a classic one may require certain tricks for transportation.
Weight
The total weight of the treadmill when assembled.
All such treadmills are quite massive — models weighing up to 50 kg are considered
light. And when choosing, it is worth considering that both small and significant weight have their advantages. So, lightweight designs are more convenient when moving, while weighty ones are more stable, often have more extensive functionality, and are also better suited for people with large body weight.
