Backrest tilt adjustment
The ability
to adjust the tilt between the seat and the backrest of the stroller. This helps to find the most comfortable position for the baby and adjust the seat to different situations: for example, at the end of a long walk, the backrest can be tilted back for a tired baby to take a nap.
Unit tilt adjustment
The ability to adjust
the tilt of the main unit relative to the stroller frame. This allows you to adjust the stroller to different situations: for example, at the beginning of the walk, the unit can be installed almost vertically, based on a sitting position, and later tilted back so that the baby can take a nap.
Fastening in the direction/against the movement
In strollers with this function, the seat unit can be fixed in one of
two positions, to choose from: facing the parent (against the direction of movement) or facing away from the parent (in the direction of movement). Each option has its advantages: in the first case, the baby can see a familiar face and is less nervous, and when located in the direction of movement, it is more convenient for him/her to view the world around him/her.
Carrycot installation
The ability
to install a carrycot on the stroller — a characteristic basket in which the baby can lie comfortably.
Carrycots are used mainly for very young kids (up to 6 – 8 months), who can not yet sit normally in seat units. And the possibility of installing such an accessory by definition is available in all universal strollers (see "Design"). Also, the replacement of the seat unit on the carrycot can be provided in pushchair models. In fact, such strollers are also universal – but they are not initially equipped with carrycots, and therefore belong to the category of pushchairs.
Car seat installation
The possibility
of installing a child car seat on the chassis of the stroller. This feature can be very useful on car trips: the car seat can be used both in the car and as a seat unit for a stroller, and the main seat unit can be left at home so that it does not take up space in the boot. Note that some models with this function are initially equipped with a suitable car seat; if it is purchased separately, you should pay special attention to compatibility with your stroller.
Handle height adjustment
Possibility
to adjust the stroller handle in height. This function allows you to optimally adjust the length of the handle to the height of the parent. It will be especially useful if the parents are of different heights, and each of them regularly carries a stroller.
Typically, height adjustment is carried out by lowering or raising the upper segment of the handle, and in advanced implementations
a telescopic mechanism is responsible for it. The retractable handle makes the stroller more adaptable to different situations and conditions. For example, it can be lengthened for more comfortable walking or shortened for ease of use in tight spaces.
Double wheels
The presence of
double wheels in the stroller — when two wheels are installed instead
of one, at a small distance from one another. This somewhat increases the weight and cost, but improves stability, and also has a positive effect on the reliability of the design and patency.
Note that all wheels are not necessarily double wheels - for example, some strollers have single front wheels. This is mainly done to reduce the price and weight.
Rear wheels without axle
Strollers in which the rear wheels are mounted on completely separate stands, without any additional bridge between them.
The main advantage
of rear wheels without an axle is that the legs of the parent following the stroller do not touch the bridge between the wheels. In addition, this feature slightly increases the mobility (allows the stroller to pass between the wheels lying on the road objects, without clinging to them with the axle).
Front wheels diameter
The diameter of the front wheels installed in the stroller.
At the same time, the front wheels are not as important for mobility as the rear wheels: for example, to overcome obstacles, the stroller is often lifted "on its toes" by tilting it towards itself, with only the rear wheels working. Therefore, the diameter of the front wheels may be noticeably smaller than the rear wheels. It should be noted here that the small size also has its advantages — the wheels are lighter.
Speaking of specific numbers, diameter
up to 15 cm is considered very modest,
16 — 20 cm — small,
21 — 25 cm — medium,
26 — 30 cm is larger than average and
more than 30 cm is large.
