Max. load
The maximum weight of the rider that the design of the scooter can withstand without breakdowns and accidents. This point is partly determined by the age group, and mainly by the materials used in the frame (both points below). Note that manufacturers can indicate the maximum load for perfect conditions — when the scooter rides on a perfectly flat surface or even stands still. Therefore, it is worth choosing a model for this parameter with a certain margin; this is especially important for varieties designed for increased loads, in particular scooters and stunt models (see "product type"). Even more so, you should not exceed the weight indicated in the characteristics — even if the scooter does not break down immediately, this can happen at any time after, which is fraught with accidents and injuries.
Age, from
The minimum age at which a child can be entrusted with a scooter. These recommendations are quite approximate, but it is highly not recommended to deviate from them. In the case of electric scooters (see "Type"), it is worth considering that in some countries, to control such devices, you need rights obtained from a certain age; so when buying a similar model, it's ok to clarify the requirements of traffic rules.
The allowable load directly depends on the age group; according to this criterion, modern scooters can be divided into
children's(permissible load up to 50 kg),
teenage(from 50 to 80 kg), and
adults(80 kg or more).
Front wheel size
The diameter of the front wheel(s) of the scooter.
This parameter is selected by the manufacturer depending on the type, age category and general purpose of the scooter. If we compare similar models with different wheel diameters, then it is worth considering that the larger the wheels, the better they work on the bumps in the road, and the higher the cross-country ability. And small wheels, in turn, are great for smooth asphalt and dynamic driving, they easily accelerate and allow you to make sharp turns.
Rear wheel(s) size
The diameter of the rear wheel(s) of the scooter. See "Front wheel diameter" for details on the value of this parameter.
Wheels
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Polyurethane. Wheels with solid polyurethane tyres. This material provides good cushioning, high-quality grip and, at the same time, good rolling; it is resistant to temperature extremes and damage, durable, while it is inexpensive. Due to this, polyurethane wheels are the most popular nowadays, they can be installed even in fairly advanced models of scooters — in particular, sports ones.
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Rubber. In this case, we mean wheels with a solid rubber tyre (inflatable wheels are moved to a separate category). According to the main characteristics, rubber is similar to the polyurethane described above, and in some moments even surpasses it. So, such tyres do not make noise, smooth out the roughness of the asphalt well, have excellent grip and provide high braking efficiency. On the other hand, this material is less durable and does not tolerate temperature extremes, and therefore is used much less frequently.
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Silicone. Wheels with a solid tyre made of silicone. These tyres are quite soft; this, on the one hand, worsens the rolling compared to the same polyurethane, on the other hand, it provides excellent cushioning. At the same time, silicone is short-lived and wears out quickly, especially under high loads; therefore, wheels made of this material are quite rare and are considered suitable mainly for children's scooters.
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Plastic. Plastic has a low cost, besides, it can be given almost any colour. On the other hand, hard plastic wheels do not provide cushioning, are very noisy and generally not suitable for fast driving. Therefore, this material is found exclusively in models for kids; while the overall quality and reliability of plastic is highly dependent on the price category.
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Inflatable. The most advanced type of wheels are found in modern scooters. Wheels of this type have an inflatable tyre (as in bicycles), which provides excellent shock absorption and good grip. The disadvantages of inflatable tyres, in addition to the price, include sensitivity to punctures and increased maintenance complexity: you need to monitor the pressure and, if necessary, inflate the tyre.
Max. height
The maximum height to which the height-adjustable handlebar can be set (or just the height of the handlebar in the working position, if height adjustment is not provided).
The height of the handlebars should be such that the rider can stand on the deck straight, without bending his back, and hold on to the handles with slightly bent arms. At the same time, there is no unambiguous relationship between this parameter and the height of the rider. So the perfect option to determine the optimal height is to try it yourself, and then choose a scooter based on the result.
Weight
The total weight of the scooter; for electric models it is the total operating weight is indicated, with batteries installed.
This option has two meanings. Thus, lighter scooters accelerate and manoeuvre better and require less effort from the user. In turn, more massive models maintain speed longer and are more stable on the course. In addition, note that less weight, other things being equal, means either less strength or more cost.
The lightest modern scooters weigh
less than 2 kg — these are mostly relatively inexpensive classic models and kickboards (see "Type"). Sports models already have a weight
of 2.5 kg, and often more. The most massive among non-self-propelled models are scooters —
from 5 kg. And electric scooters inevitably turn out to be heavy due to motors and batteries, their mass can reach
10 kg or even more.
