FAQ
- What is a staggered fitment?

A staggered fitment is also referred to as a staggered application. Basically, it means that the wheels on the back of the vehicle are a different size than those on the front. Wider wheels are usually run on the back; for example, 19x8 on the front and 19x9.5 on the rear. This is typically done on rear wheel drive cars such as the Infiniti G35, Nissan 350Z, BMW, Mercedes, Audi, VW, Ford Mustang, and others. Running wider wheels on the drive wheels means more grip on acceleration, and, from an aesthetic perspective, large lips. The TSW Thruxton 20x10, for example, carries a huge 5" lip.

A staggered fitment can also mean larger diameter wheels on rear, like 17" diameter on the front and 18" diameter on rear. Some examples of this would be the aftermarket Acura NSX and Chevy Corvette.

- What is an offset and why does it matter what offset I use?

The offset is the distance from the mounting face of the wheel, where it mounts against the wheel hub, and the center line of the wheel's width. It is a vital technical aspect of your wheel and your car. To better explain this, TSW put together a brief video on offsets.

- Why is offset important?

When a car is designed, the suspension is configured in a certain way, which uses wheels with a certain offset. If the offset changes, then the distance between the mounting face and the center of the wheel changes, and this can affect the handling of the car. One situation is tramlining, when the car wanders, following imperfections in the road surface, rather than running straight. Another possible situation is torque steer, when the steering pulls from one side to the other under acceleration.

- How do larger wheels affect the handling?

Handling can be improved by running larger wheels. Larger wheels mean you will run a low profile tire, and usually, a wider tire. A low profile tire often performs better when cornering and braking, as tire roll is greatly reduced. A low profile tire will result in a stiffer ride.

Extremely large wheels, such as 24" and 26" wheels, are heavier and can increase braking distances. However, TSW will always endeavor to keep the wheels as light as possible without compromising the strength of the wheel.

- What is the largest lip available on a TSW wheel?

Currently, the TSW Thruxton in 20x10 has the largest lip in the TSW range at a staggering 5". You can check the lip size of TSW wheels in the TSW product catalog.

- What is the warranty on TSW wheels?

TSW offers a lifetime warranty on the structure of its wheels. Should the product become structurally unsound due to a manufacturing defect, TSW will replace the wheel. However, TSW does not offer a "road hazard warranty". Any damage caused to the wheel as a result of the customer hitting a pothole or debris in the road will be the responsibility of the customer. TSW offers a two year warranty from date of manufacture on both its chrome finish and silver paint finish. TSW is not liable for any shipping costs involved or any consequential damages. The warranty is limited to the actual replacement of the wheel.

All warranty claims must be sent to TSW headquarters in Huntington Beach, California for inspection by the appropriate distributor. TSW does not deal directly with customers of our distributors; TSW also does not sell directly to consumers. Distributors must obtain a Returned Goods Authorization (RGA) number from a TSW salesperson before sending any warranty claims back to TSW. Wheels sent to TSW without an RGA number will be refused. Upon receipt of the product, TSW will inspect the wheel and notify the distributor if the wheel has been accepted as a manufacturing claim. If the warranty claim is accepted, TSW will issue a credit note to the distributor for the amount the distributor paid for the wheel.

- How do I find out what wheels work on my vehicle?

TSW has a staggering range of sizes and fitments. TSW makes the following wheel sizes:
14x6, 15x6.5, 15x7, 16x7, 17x7, 17x8, 18x8, 18x9.0, 18x9.5, 19x8, 19x9.5, 19x10.5, 20x7.5, 20x8.5, 20x9, 20x10, 22x8.5, 22x9, 22x10.

TSW also has wheels to fit a wide range of vehicles, including but not limited to: Audi, BMW, Chrysler, Mercedes, Ford, Chevy, VW, Saab, Porsche, Dodge, Toyota, Nissan, Infiniti, Lexus, Mazda, Subaru, and more.

- What is a Rotary Forged wheel?

The Interlagos alloy wheels and Nurburgring alloy wheels are manufactured using a highly advanced production technique called rotary forging. The rim of the wheels is forged at high pressure while the wheel is spun at a high speed. This alters the molecular structure and enhances the strength of the alloy. The benefit is a much lighter weight than a regular cast wheel. Most importantly, the weight saving is in the outer rim of the wheel which dramatically reduces rotational mass and enhances vehicle performance.

- What is CNC Milling?

Some TSW wheel designs such as the Rivage Alloy Wheels and the Carthage Alloy Wheels have been enhanced utilizing a CNC Milling technique. CNC (computer numerical control) milling machines are used to perform complex drilling and contouring operations to enhance the design of these wheels. Take a look at closeup image of these wheels and notice the milling grooves that flank the spokes and central contours of this wheel, giving it a machined artisanal look.

- I want bigger wheels. How big can I go?

That depends on your vehicle and the amount of work you're prepared to put in. Generally, most cars will be able to handle an increase in wheel size of up to four inches, with no need for any modifications. However, this degree of upsizing should be coupled with a lower profile tire, to make sure the overall radius of the wheel/tire is the same as the car's original equipment specifications. This means that the car's overall gearing will be unchanged and the speedometer will still be accurate.

- Should I go bigger on the size or the width?

Keeping the same width of the wheel and tire package while increasing the diameter of the wheel, with an accompanying lower-profile tire to compensate, means that the car will look better and you would see the benefits of lower profile tires, in terms of grip and steering response. It also means that generally, since the overall wheel/tire package is the same size as the original equipment, there wouldn't be any real problems with tires hitting the flares or changes in your car's handling.

- What about if I want really big wheels?

Then you may need to look at modifying your flares to prevent contact, particularly when turning the steering. You can usually get a body shop to either roll or cut the inner lip of the flares away to give more clearance. Rolling tends to keep inherent strength in the flare, while cutting tends to lose it.

- What is the PCD?

PCD stands for Pitch Circle Diameter, and is a measure of the wheel stud/bolt hole locations. The PCD is a circle with its center at the center of the face of the wheel. The centers of the mounting holes are equally spaced around this circle. So for example, a 4x100 mm PCD means four mounting holes, equally spaced around a 100 mm diameter circle form the center of the wheel.

- What does a hub centric ring do?

This is a plastic ring that sits inside the alloy wheel, locating it centrally on the car's wheel hub. The hub centric ring doesn't form part of the mechanical join between the car and the wheel, that's done by the wheel nuts/studs. The hub centric ring simply makes sure that the wheel is located centrally on the hub. If it wasn't, the wheel nuts/studs would have to center the wheel, and if the wheel wasn't perfectly central on the hub, there could be possible vibration and balance problems.

- If I've fitted new wheels and tires, what pressure should I run?

The general rule is to keep running the same pressure as the manufacturer recommends for the original equipment, as it's this which supports the weight of the car.

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