Choosing the right rims for your Skoda Superb is not just a matter of aesthetics, but is critical to the safety and durability of the undercarriage. Incorrectly selected departure or rim width can lead to wheel friction on the arches, accelerated wear of wheel bearings and even loss of controllability at high speeds.
Owners Skoda Superb are often faced with the need to change tires for the winter or summer season, and here the question arises: is it possible to use wheels of a smaller diameter? The answer lies in the manufacturer's technical specifications, which vary depending on the year of manufacture, body type and powertrain. We will analyze all the nuances so that you can make an informed choice without risking your car.
Main technical characteristics of the wheel arch
The first parameter that you need to pay attention to when selecting disks is hub diameter. For all generations Skoda Superb (from first to last) this figure remains unified and is 57.1 mm. This ensures perfect centering of the wheel relative to the axis of rotation without the need for additional centering rings.
The second critical parameter is drilling (PCD). Unlike many competitors, Skoda uses a 5x112 pattern, which means there are 5 mounting holes arranged around a circle with a diameter of 112 mm. It is physically impossible to incorrectly select a disc with a different drill, but using adapter rings or bolts of the wrong length can create a dangerous situation.
Third element - fastener thread size. For standard discs, bolts or nuts with metric thread M14x1.5 are used. Using longer bolts may damage the brake calipers or ABS sensors.
Wheel sizes for different generations of Superb
The manufacturer offers a wide range of factory configurations, which depend on the vehicle configuration. For the first generation (Typ 3U), disks were often the standard R16 and R17 with rim width from 6.5J to 7.5J. More powerful versions, equipped with 4.0 W12 engines, could be equipped with wheels R18 with a width of 8J, which required a special approach to the selection of tires.
The second generation (Typ 3T) received more modern requirements for rim width. The most popular sizes here are 7Jx17 and 7.5Jx18. Owners Superb With TSI and TDI engines, wheels are often chosen R19 8J wide to improve appearance, but this requires careful checking of the clearances in the arches when turning the steering wheel.
The third generation (Typ 3V) and restyled versions offer even more options, including wheels with widths up to 8.5J for versions with package RS or Combi. It is important to consider that increasing the width of the rim by 1 inch requires reducing the width of the tire profile to maintain the overall diameter of the wheel and the correct operation of the speedometer.
offset (ET) This is a parameter that is often ignored, but it determines how deep the sits disk is in the arch. Factory departure for Skoda Superb varying ET40 up to ET55. Deviation from these values by more than 5 mm can adversely affect the load on the suspension.
- R16
- R17
- R18
- R19
Effect of Reach and Width on Handling
Understanding the physics of the suspension will help you avoid tuning errors. If you install a disk with a smaller offset (ET)The wheel will protrude outside the arch, which creates a lever that increases the load on the hub bearing. As a result, the bearing will fail much earlier than the deadline, and the steering will become more βcottonβ.
Conversely, too large a offset (lesser number) will lead to the wheel resting in the interior of the suspension or body when compressing the shock absorber. This is fraught with damage to the anthers of the SRUS, brake hoses and steering elements. That is why deviations should be minimal.
β οΈ Attention: Installation of discs with a offset of less than ET40 without special slots is strictly prohibited, as this violates the geometry of the suspension and can lead to a break in the brake hose with full compression of the shock absorber.
The width of the rim also affects the behavior of the car. A wide drive (e.g. 8J instead of regular 7Js) with the right rubber provides the best spot of road contact, which improves traction on wet asphalt. However, too narrow a disc can lead to deformation of the sidewall of the tire with a puncture and loss of controllability.
Wheel and tire compatibility table
For convenience of selection, we have prepared a summary table that shows the permissible combinations of disks and tires for Skoda Superb. These data are based on the official recommendations of the manufacturer and long-term operating practice.
| Disk size | Rim Width (J) | offset (ET) | Recommended tire width | Seasonality |
|---|---|---|---|---|
| R16 | 6.5J | 48-52 | 205-215 mm | Winter/Summer |
| R17 | 7.0J | 45-50 | 215-225 mm | Summer/Winter |
| R18 | 7.5J | 42-48 | 235-245 mm | Summer |
| R19 | 8.0J | 40-45 | 245-255 mm | Summer |
Please note that when you move to R19 Low profile tires should be used to keep the overall wheel diameter within the tolerance (Β±3%). The diameter mismatch will lead to errors of ABS and ESP, as well as to incorrect readings of the speedometer.
For winter use, it is often recommended to reduce the diameter of the disk to R16 or R17. This allows you to install a tire with a high profile, which improves the cushioning of irregularities and reduces the risk of disc damage on ice or snow.
βοΈ Checking disk compatibility
Features of installing non-standard disks
Many owners want to install more beautiful or wider discs that donβt come in the factory configuration. In this case, it is necessary to take into account center hole diameter. If you choose drives from other brands (such as Volkswagen or Audi), make sure the hole diameter is at least 57.1 mm.
If the hole is larger, center rings should be used. The use of discs with a central hole less than 57.1 mm is impossible without milling, which can disrupt the balance and lead to vibrations. The rings should sit tightly and have no backlashes, otherwise the wheel will be centered only with bolts, which is unacceptable.
It is also worth paying attention to the design of spokes. Some discs have a closed design that can block access to large sized brake calipers installed on powerful versions. Skoda Superb. Before buying, always apply the disc to the wheel arch for visual inspection.
β οΈ Attention: When installing low profile drives (e.g. 245/35 R19) be extremely careful when parking. A strike on the curb can lead to instant depressurization of the tire or a crack on the rim, since the sidewall does not have a sufficient margin of safety.
Balancing of disks is a mandatory procedure after installation. Even a slight deviation in the weight of the wheel can cause vibration on the steering wheel at speeds above 100 km / h, which tires the driver and destroys the suspension elements.
How to check the departure of the disk without a rod?
Set the disc on the hub, but do not tighten the bolts. Measure the distance from the landing plane of the disk to the rim edge on the inside. That is the meaning of the offset (ET). If the disc is marked ET45, the distance should be about 45 mm.
The influence of wheel size on fuel consumption and comfort
An increase in the diameter of the wheel inevitably leads to a change in the weight of unsprung masses. Discs. R19 and the tires for them weigh significantly more than the kit R16. This results in an increase in inertia that the engine must overcome during acceleration, which can increase fuel consumption by 5-10% in the urban cycle.
In addition, wider tires create more rolling resistance. On the highway this may not be noticeable, but in the city, where there is constant acceleration and braking, the impact on efficiency becomes noticeable. Interior noise also increases due to the stiffer tire profile.
Suspension comfort directly depends on the height of the rubber profile. A tire with a profile of 40 or 35 (on R19) does not absorb small irregularities well, transferring impacts to the body. If you often drive on poorly paved roads, choose R17 with a profile of 50-55 would be a much more reasonable solution.
When switching to wheels of larger diameter (R18, R19), be sure to check the condition of the shock absorbers. The increased load can reveal hidden suspension defects that were not previously apparent.
On the other hand, wide rims provide better directional stability at high speeds and when cornering. This is especially true for Skoda Superb, which is often used as an executive car requiring smoothness and stability.
The optimal balance between comfort, efficiency and appearance for the Skoda Superb is achieved by using R17 or R18 wheels with factory offset and width parameters.
FAQ: Frequently asked questions about Skoda Superb wheels
Is it possible to install wheels from an Audi A6 on a Skoda Superb?
Yes, as both models use the VAG platform with the same 5x112 drilling and 57.1mm center hole. However, the offset (ET) and rim width must be checked to avoid friction with the suspension or body.
What is the maximum offset deviation (ET) allowed?
Factory tolerances are typically Β±5 mm. Deviation of more than 5 mm may require the installation of spacers or lead to accelerated wear of wheel bearings and steering components.
Do I need to change bolts when installing R19 wheels?
Often yes. Large diameter discs with complex designs may be thicker, requiring bolts with a longer thread length. Use only original bolts or certified replacements with the correct length.
Does the width of the rim affect the choice of tire width?
Yes, there is a recommended tire width range for each rim size (J). Installing a tire that is too narrow or too wide can cause problems with bead retention, tread wear, and poor handling.
Can wheels with cast and forged technologies be used?
Both types are valid. Forged wheels are lighter and stronger, which reduces unsprung weight, but they are more expensive. Alloy wheels are cheaper and easier to manufacture, but can be heavier. The main thing is compliance with technical parameters.