GEN2 Alloy Wheel Spacers Hubcentric Shims 4x100 56.1mm 20mm GWSBB56120

Visual condition of the part

The product shows signs of use visible in the photos.

GEN2 Alloy Wheel Spacers Hubcentric Shims 4x100 56.1mm 20mm are precision-engineered components from the Wheel spacers and centering rings category, designed to improve wheel fitment geometry and vehicle handling stability. The aluminum construction provides an excellent strength-to-weight ratio, while the specifically selected spacer thickness allows for a more aggressive wheel stance and better wheel arch filling.

Specifications and technical data

• SKU: GWSBB56120
• Mark: Unbranded
• Condition: Used
• OEM Part Number: GWSBB56120
• Substitutable numbers: GWSBB56120, GEN2
• Category: Wheel Spacers, Adapters & Spigot Rings

Purpose and function of aluminum wheel spacers

Aluminum wheel spacers with a 4x100 bolt pattern, a hub-centric bore matched to the hub, and a specific working thickness are used to adjust the position of the rim relative to the hub. They allow for:

• achieving a wider track width, which improves the vehicle's lateral stability,
• better visual and functional fitment of rims within the wheel arches,
• increasing the clearance between the rim and suspension or braking system components.

Such configured spacer shims are particularly useful when changing rims to different models or during suspension modifications, where maintaining proper operating clearances is essential.

Construction and material properties

Aluminum wheel spacers are characterized by a favorable low weight, which limits the additional load on unsprung suspension components. The use of an aluminum alloy promotes corrosion resistance and facilitates installation and removal compared to heavier steel counterparts.

In practice, this translates into:

• more comfortable service handling when changing wheels,
• maintaining proper rigidity of the hub-to-rim connection,
• the ability to be used in configurations where reducing rotating mass is important.

Thanks to the precise machining of the contact surfaces, the spacers ensure even distribution of forces, which helps maintain the correct geometry of the running gear.

Product condition and practical application

The offered spacers come from the secondary market, which allows for an economical adjustment of wheel configuration to the individual needs of the vehicle. This type of solution is often chosen for visual and functional modifications, where a favorable cost-to-effect ratio is important.

Before installation, it is recommended to perform a standard check of wheel fastening elements and verify the compatibility of rims and hubs in terms of bolt pattern, center bore diameter, and the required length of bolts or studs. Properly selected aluminum wheel spacers allow for a consistent visual effect and stable vehicle handling in daily use.

Benefits of using aluminum wheel spacers

The use of such spacer shims brings a number of practical benefits:

• the ability to fit rims with a different offset profile without interfering with suspension components,
• improvement of the visual wheel arch filling while maintaining the functionality of the running gear,
• potential reduction of the risk of rubbing against suspension or body components with a properly selected configuration.

Combined with properly selected rims and tires, aluminum wheel spacers are a practical element of vehicle configuration, allowing for more conscious shaping of handling characteristics.

Related products and technical knowledge

If you are planning a comprehensive repair or upgrade of the wheel mounting area in your Unbranded vehicle and need other components from the same group, such as additional spacers, centering rings, or compatible washers, check the available parts in the Unbranded Wheel spacers and centering rings category.

If you are considering wider use of secondary market parts and want to better evaluate their potential in terms of aesthetics and cost-effectiveness, the guide article on replacing body parts with used car parts may be helpful, as it discusses the practical aspects of selecting used components in the context of quality and appearance.