Frequently Asked Questions
This is the tire size information. 305 is the tread width in millimeters; that is, 305mm. Besides, 45 is the aspect ratio, which refers to the sidewall height as a percentage of the tread width. Therefore, using this size, a 45% height gives around 5.4 inches. “R” shows that it is a radial construction: all modern passenger and truck tires use this technology. 22 is the tire and wheel/ring design. Thus, it is designed to fit a 22-inch wheel.
This tire size is abundant in larger high-performance cars like the Dodge Challenger/Charger, and Ford Mustang, plus-sized trucks like the Ram 1500, and custom fitments for luxury SUVs.
If you want the lowest prices and largest selection with impeccable customer service on these ultra-high performance tires, Discounted Wheel Warehouse is your top choice. With fast and free shipping and handling, we deliver the cheapest pricing on all top brands. Our professionals guarantee a perfect fit for your vehicle. We also offer mobile tire installation, flexible financing, and the best warranties in the industry.
When properly installed on a 22-inch wheel, this tire size maintains an approximately 33.4-inch overall diameter. Due to the 45% aspect ratio, the tire has a very short 5.5-inch sidewall with an extremely wide 12-inch tread width.
Most of these tires recommend a cold inflation pressure between 35 and 45 PSI. However, always consult your vehicle's placard or owner's manual for the manufacturer's specified pressure for your make and model.