How to change the size of the rims?

Whatever the brand and the modelAnd In most cases possible and authorized change The size of the circles d‘A vehicle. This change However, it implies compliance with some rigorous rules to be approved And to work safely.

Before considering any modification aestheticlook at the correspondence between the size of tires and the diameter of rim It is essential.

To do this, everything size they appear on the vehicle book on the vehicle and onlabel The manufacturer’s official blocked himself inside the driver’s door.

This specific correspondence table in particular the demand size of the tire concerning length of the rolling strip, the height of the side, the diameter of the edge and the tolerances authorized by tire manufacturers.

For example, a tire 215/55r16 indicates the width of the rolling strip (215), the height of the side (55), the type of carcass (R) and the size of the edge in inches (16).

Engraved In the form of figures and letters, the size of an edge mentioned 6J x 15 H2 ET43 indicates its width (6) and its diameter in inches (15), as well as the offset of the edge (ET43) – distance between the edge center and the support surface for fixing.

The official table of the dimensional equivalences published by TNPF (The standardization of French tires) also shows that the increase in the diameter of the rims requires to go up tires whose size is more Low.

Deposit Change my circles From 18 pcs and install news from 19 inchesa tire 225/45r18 It can therefore be replaced by a tire in 225/40r19.

So that the new circles can pass the technical control and that the car is covered bycertaintyTHE Debit indices AND Vitasses must be equal to or higher than the equipment original or those recommended by producer car.

In this sense, the load index is a digital code corresponding to Maximum charge that a tire can bear, while the speed index is a Alphabetical code indicating maximum speed to which a tire can roll.

THE tire width must also be compatible with that of the edge and the Passage of the wheels it must be able to host a wider tire to prevent the latter from being damaged, deformed or that does not lose performance at higher speed.

In addition, the winter season It is synonymous with the installation of finest tires and therefore rims smaller To guarantee moregrip and reduce braking distances, which offers motorists in DESCEND.

On the contrary, the passage in summer It is an opportunity to equip a wider tire vehicle accompanied by rims bigger In order to increase the stability on the ground (possibility of climb Two dimensions).