BOOT | FRAME | BEARINGS | WHEELS

…and the inline skate is ready. In principle it’s right, but it’s not that easy.
At the latest when it comes to maintenance and spare parts, the first questions quickly arise. Therefore we have summarized all important points for you in our material customer for Kinderinlineskates compactly.

BOOT

The upper shoe usually consists of a shell, an inner shoe and various closure parts, such as laces, Velcro fasteners, ratchet straps and buckles.

The shell can easily be cleaned of coarse dirt with a damp cloth. All inner shoes are suitable for at least one hand wash.

The closure parts are available from well-known manufacturers in after sale and can be replaced either with a rivet or screw.


The inline skate rails for children’s fitness skates are often made of plastic. These rails are firmly attached to the upper shoe and cannot be dismantled.

In urban and speed skates, the rails are often made of aluminum and the rails are screwed with two mounting screws under the skate. These rails can be adjusted to the child’s centre of gravity and thus help to achieve a stable riding style. In addition, the rails can be exchanged.

In principle, the rollers are mounted in the rail with appropriate axle bolts.

FRAME

BEARING

The ball bearings ensure that the wheels can rotate freely.
Two ball bearings and a spacer (aluminium spacer sleeve) are installed per roller. The spacer ensures optimum freewheeling of the rollers as it prevents the bearings from locking when the axle is tightened. The standard spacer dimensions are 6mm and 8mm.

All skate manufacturers use the ball bearings of standard 608.
This describes a bearing with an inner diameter of 8mm and an outer diameter of 22mm.

The ABEC, ILQ or SG bearing specification describes the accuracy of the bearing. The higher the specification, the lower the manufacturing tolerance. Please note that this specification does not yet say anything about the quality of the bearing material.

In the field of inline skates there are ball bearings with various materials. Often hardened steel, stainless steel or semi-ceramic bearings are used.

Inline skate wheels consist of an extra durable polyurethane, PU for short. This rubber compound ensures good rolling behaviour, good grip and low wear values. The hardness of the PU is indicated in SHORE and measured on the A scale. It is a good orientation value for roll properties.

The softer the roll, the lower the A number.
The harder the roll, the higher the A number.

 

Most manufacturers deliver their children’s skates with rollers with a hardness between 80a and 85a. This range is a good guideline for children’s roller skates.

WHEELS

SCREWS

Wheels, attachments and locking parts are screwd into an inline skate. In some cases rivets are also used for a permanent connection.

The wheels are mounted with axle screws in the frame.
For inline skates, where the frame is screwed to the upper boot, so-called mounting screws are used.

In some cases, standard screws from the DIY store can help with repairs. For safety reasons it makes sense to use the original screws of the manufacturer.

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