
Installing plastic hub centric rings is a straightforward process, but it requires careful attention to detail. Hub centric rings are used to keep wheels centred and prevent vibrations. Before installing plastic hub centric rings, it is important to measure the wheel hub of the car and the centre bore of the rim to ensure you have the correct size ring. The wheel hub size is usually indicated in the user's manual, or you can measure it yourself with a slide caliper, tape measure, or ruler. Once you have the correct size ring, the installation process involves cleaning the centre bores and wheel hubs, positioning the ring properly, and then installing the wheel onto the car. It is important to ensure the ring is fully seated on the hub to complete the installation. Plastic hub centric rings are ideal for streetcars in areas with rain, snow, and road salt, as they are less prone to corrosion than metal rings, which can make wheel removal difficult.
| Characteristics | Values |
|---|---|
| Installation | Hub centric rings are easy to install |
| Installation tools | Floor jack, jack stand, four-way tool, emery cloth, slide caliper, ruler or tape measure |
| Installation steps | Clean the center bores of the rims and the wheel hubs of the car, push the centric rim to the center bore of the rim, install the wheel onto the car, break the lug nuts off the wheel, remove the wheel, run an emery cloth around the hub, hold the hub ring in front of the hub and slide it on |
| Installation considerations | The size of the centric rim depends on the center bore of the rim and the outer diameter of the car's wheel hub, the wheel hub size is usually indicated in the user's manual, the inner measurement of the wheel hub can be measured by removing the wheel and measuring the wheel hub outer diameter, if measurements are not close to stock sizes, a customized set may be ordered |
| Hub centric ring materials | Plastic, aluminium |
| Hub centric ring considerations | Plastic rings are best for streetcars in areas with rain, snow and road salt, metal rings can corrode, metal rings are better for race cars and vehicles that get driven harder, plastic rings can melt |
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What You'll Learn

Measure the wheel hub of the car
Measuring the wheel hub of your car is a straightforward process, but it's critical to get an accurate measurement to ensure the correct size of hub centric ring is installed. Here's a step-by-step guide:
First, refer to your car's user manual. The size of the car wheel hub is usually indicated in this manual, so you can start by checking there. If you don't have access to the manual, you can try contacting a representative of your car's make, a retailer, or simply search for the information online.
If you can't find the information you need, you'll need to measure the wheel hub yourself. Start by lifting the car using a floor jack. It's important to ensure that the ground is flat and even before lifting to avoid any potential safety hazards. Once the car is lifted, use a wrench to remove the wheel.
With the wheel removed, you'll need to expose the wheel hub. This typically involves removing the brake drum, which can be loosened and taken off to reveal the wheel hub. In some cases, you may also need to remove the caliper bracket and slide off the rotor to fully expose the hub.
Now you're ready to measure. Place a tape measure across the entire face of the hub, ensuring that it intersects the center of the hub. This measurement will give you the diameter of the wheel hub, which is the critical dimension for selecting the correct hub centric ring. Make sure to write down this measurement accurately.
With this measurement, you can now select the appropriate hub centric ring for your vehicle. It's important to choose a ring that matches the diameter of your wheel hub to ensure a proper fit and optimal performance.
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Clean the centre bores of the rims and wheel hubs
To install plastic hub centric rings, the first step is to clean the centre bores of the rims and the wheel hubs of your car. This is an important step, as dirt, grime, debris, and brake dust can accumulate on your wheel hubs over time, impacting their performance and lifespan. Here is a detailed guide on how to clean the centre bores of the rims and wheel hubs:
Firstly, remove the wheels from your car. This will give you access to the centre bores and wheel hubs, allowing for a thorough cleaning. Use a floor jack to lift your car and create enough clearance to remove the wheels safely. Once the wheels are removed, you can begin the cleaning process.
For cleaning the centre bores and wheel hubs, you can use a variety of tools and cleaning products. Some common tools include wire brushes, steel wool, scotch pads, and adhesive pads attached to a die grinder. These tools help remove corrosion, dirt, and debris from the surfaces. It is important to be thorough and remove as much of the contamination as possible.
When choosing a cleaning product, opt for one that is safe for use on wheel hubs and surrounding components. Non-acidic wheel cleaners are an excellent option, as they effectively remove tough dirt, brake dust, and grime without damaging the surface. Heavy-duty degreasers can also be used to tackle stubborn grease and grime build-up, but be sure to select a product that is safe for wheel hubs. Additionally, all-purpose cleaners are generally safe for use on various surfaces, including metal, plastic, and rubber, making them suitable for cleaning wheel hubs.
After cleaning, it is essential to ensure that the centre bores and wheel hubs are dry and free of any residue. You can use a soft rag or a microfibre cloth to wipe down the surfaces and absorb any remaining moisture. This step prepares the surfaces for the installation of the plastic hub centric rings, ensuring a proper fit and secure attachment.
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Push the centric rim to the centre bore
To install plastic hub centric rings, you must first clean the centre bores of the rims and the wheel hubs of your car. This is important as any dirt or residue will prevent the ring from fitting tightly on the hub. You can use an emery cloth to clean the hub.
Once the centre bores and wheel hubs are clean, it is time to push the centric rim to the centre bore of the rim. It is important to ensure that the ring is properly positioned. The size of the centric rim depends on the centre bore of the rim and the outer diameter of the car's wheel hub. For example, if the diameter of the wheel hub is 72.6 mm and the wheel centre bore is 74.1 mm, a centric ring with a diameter of 1.5 mm is needed.
You can measure the centre bore of the rim using a ruler or tape measure if the rim is new, and you cannot find the size on the receipt or from the salesperson. Manually measuring the rim can be done using a digital micrometer or dial caliper.
After ensuring the ring is properly positioned, you can attach the wheel to your car.
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Install the wheel onto the car
Now that you've prepared the wheel hub and the centric ring, it's time to install the wheel onto your car. Here's a step-by-step guide:
First, lift your car with a floor jack until the wheel you want to work on is off the ground. Make sure to use a jack stand to support the car securely. Once the wheel has enough clearance, break the lug nuts with a four-way tool and remove each of them from around the rim. Now, pull the wheel off the car using both hands. If the wheel is rusted or dirty, you may need to pull it off with some force.
Next, run an emery cloth around the hub in the middle of the lug bolts to clean it. This step ensures a smooth surface for the new wheel installation. Now, with the new wheel ready, install the centric ring onto the wheel's center bore, ensuring it is properly positioned and fully seated on the hub.
After that, carefully lift the new wheel and align it with the wheel hub. Slide the wheel onto the hub, ensuring the centric ring remains in place. Once the wheel is securely in position, tighten the lug nuts by hand, then use a torque wrench to tighten them to the manufacturer's specifications.
Finally, lower the car slowly by turning the jack handle in the opposite direction. Ensure the car's weight is completely off the jack before removing it. Now, tighten the lug nuts again with the torque wrench to ensure they are secure.
And that's it! You've successfully installed the wheel onto your car, ensuring a smooth and safe ride. Remember to check your vehicle's wheel torque specifications and always follow the recommended tightening pattern for the lug nuts.
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Check the ring is fully seated on the hub
To check that the ring is fully seated on the hub, you must first ensure that the ring is properly positioned. The ring will fit tightly on the hub, so if there is any dirt or residue, it will not attach.
Once you have cleaned the hub, hold the hub ring right in front of the hub, and slide it on. Check to ensure the ring is fully seated on the hub to complete the installation. You can then install any remaining hub rings in the same way.
If you are installing hub centric rings on aftermarket wheels, you may encounter issues with spacers. In this case, you may need to remove the plastic lip from the ring to allow the wheel to freely slide over the hub ring and spacer taper.
If you are installing a wheel, once you have checked that the ring is fully seated on the hub, you can put the wheel back on the vehicle and tighten the lug nuts in a star pattern.
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Frequently asked questions
The size of the centric rim depends on the centre bore of the rim and the outer diameter of the car's wheel hub. You can find the size of the car wheel hub in the user's manual or by contacting the retailer. If the rim is new, the size may be on the receipt. If not, you will need to measure the hole yourself using a ruler or tape measure.
First, clean the centre bores of the rims and the wheel hubs of the car. Then, push the centric rim to the centre bore of the rim, ensuring that the ring is properly positioned. When the centric ring is attached to the rim, install the wheel onto the car.
Plastic hub centric rings are best for street cars in areas where rain, snow and road salt are common, as metal rings can corrode in these conditions.







































