500/520-14 Tire Size Guide

The 500/520-14 is a vintage numeric tire size that uses two nominal width references and a wheel diameter in inches. In this code, 500 and 520 place the tire in the 5.0- to 5.2-inch width class, and the 14 identifies the rim diameter the tire is built to fit.

Unlike a modern P-metric size, the 500/520-14 does not directly spell out an aspect ratio, load index, or speed rating in the code itself. It is an older sizing convention commonly associated with bias-ply tires, so buyers need to look beyond the size marking and confirm wheel width, clearance, construction type, and the actual specifications of the tire being used.

The 500/520-14 fits a 14.0-inch wheel, which equals 355.6 millimeters at the bead seat. That rim diameter must match exactly, because a tire built for a 14-inch wheel cannot be safely mounted on a wheel of any other diameter.

Wheel width matters too. In this size, the tire is intended for rims from 3.50 to 4.00 inches wide, which is a narrow range by modern standards. Buyers working on an older passenger car should verify both the wheel diameter and the wheel width before mounting, since the wrong width can change the tire's profile, affect clearance, and alter the period-correct stance.

The 500/520-14 has a section width of 5.0 inches, which is about 127.0 millimeters. This size also carries a secondary nominal width reference of 5.2 inches in its original vintage format, reflecting the way some older multi-width numeric sizes were labeled.

Section width is measured at the widest point of the inflated sidewall, not across the tread face that actually contacts the road. Clearance checks should focus on section width because that is the dimension most likely to interact with fender lips, steering components, or suspension parts, especially on narrow-wheel classic cars where space around the tire can be limited.

Yes, 500/520-14 and 50052014 refer to the same tire size. The difference is only in the way the size is written, with one version using punctuation and the other compressed into a single string for cataloging or search purposes.

Older tire sizes are often written several ways, including spaced, dashed, or condensed versions, which can make searching a little confusing. When comparing listings, focus on the actual size values and the wheel diameter rather than the punctuation. Buyers should still confirm construction type, wheel width, and overall intended use, because matching the written size alone does not answer every fitment question.

The 500/520-14 is commonly a tube-type fitment and is often set up with a tube. Even so, tube use is a wheel-and-tire-system question rather than a size question, so the final decision should be confirmed against the actual wheel and tire being used.

Many vintage wheel designs, especially on older passenger cars, were originally intended for tube service even when the size itself looks straightforward. Rim condition, bead-seat design, and the construction of the specific tire all matter. If the car still uses original-style wheels, buyers should inspect the wheel carefully and follow the tire manufacturer's guidance before assuming a tubeless installation is appropriate.

The 500/520-14 tire weighs 20 pounds in the available product for this size. That figure refers to the tire by itself, without a wheel, tube, or mounting hardware.

Tire weight matters most when you are thinking about steering effort, ride response, and the total unsprung weight carried by an older suspension. On a narrow classic passenger-car tire like this one, weight will not usually drive the buying decision by itself, but it is still useful when comparing tires for restoration work or when matching all four corners of the car.

The 500/520-14 is associated with classic passenger cars from the 1940s to early 1960s, so it is generally the kind of size buyers look for when keeping an older car close to its original wheel-and-tire proportions. Fitment still depends on the actual wheel, brake clearance, suspension condition, and the space available in the wheel opening.

Original fitment should be verified against the vehicle's own documentation, surviving placards, or established restoration references rather than relying on size alone. Older vehicles sometimes changed wheel widths or tire sizes across trim levels and production years. A correct-looking size can still create issues if the wheel is not the right width or if the car has been modified from its original setup.

The 500/520-14 is designed to seat correctly on rims that are 3.50 to 4.00 inches wide. Staying within that range helps the tire keep the intended profile and keeps the sidewall shape closer to what vintage passenger cars originally used.

A rim that is narrower than 3.50 inches can pinch the tire and exaggerate sidewall bulge, while a rim wider than 4.00 inches can flatten the profile and change how the tire sits in the wheel opening. On restoration work, that affects both clearance and appearance, so wheel measurement should be part of the fitment process before the tire is mounted.

The 500/520-14 is often a strong choice when the goal is a period-correct look on a 1940s to early 1960s classic passenger car. Its bias-ply construction, narrow section width, and tall vintage profile align well with the kind of proportions many cars from that era carried when new.

Authenticity is more than just the sidewall size, though. Buyers restoring a judged car should also consider wheel width, blackwall versus other appearance details, and whether the vehicle originally used tube-type hardware. Construction choice matters too, since a bias-ply tire usually preserves the original visual character more faithfully than a modernized substitute built around different proportions.

The 500/520-14 uses bias-ply construction, so it will typically deliver a more vintage driving feel than a modern radial of similar overall size. Expect more sidewall influence in the way the car tracks and steers, with road feel and response that match the character of earlier passenger-car suspensions.

Driving behavior depends on more than construction alone. Alignment, steering-box condition, suspension wear, wheel width, and tire age all influence how a classic car feels on the road. Buyers choosing this size should be looking for authentic road manners and appearance first, while recognizing that a bias-ply tire usually behaves differently from the newer radial tires many drivers are used to.

The 500/520-14's narrow profile and vintage bias-ply construction usually produce the kind of ride character expected from an antique or early postwar passenger car. The tire's proportions help preserve the tall-sidewall appearance that many restorers want, and the ride impression tends to feel true to the period rather than modernized.

Ride comfort on an older car is closely tied to the condition of the shocks, bushings, springs, and steering components. Wheel width also plays a role, since the tire is intended for a narrow 3.50 to 4.00 inch rim. When those surrounding parts are correct, the tire is more likely to deliver the balanced stance and period feel buyers are after.

The 500/520-14 can be appropriate for regular use on a classic car when the vehicle is set up for this type of vintage bias-ply tire and the tires are in sound condition. Buyers should approach it as a period-style tire first, with driving expectations shaped by older construction and older vehicle design.

Road use decisions should include a careful look at tire age, wheel condition, suspension health, and how the car will actually be driven. A restored car that sees local cruising places different demands on its tires than one covering long distances at sustained speed. Before extended trips, inspect the tires closely and make sure the overall wheel-and-tire system matches the vehicle's intended use.

The 500/520-14 is available from Excelsior in the current product range for this size. For a specialty vintage size like this, brand choice often matters less than buying the correct construction, dimensions, and wheel fit for the vehicle.

A buyer evaluating quality should look at how accurately the tire matches the original size format, whether the bias-ply construction suits the restoration goal, and whether the wheel width falls within the proper 3.50 to 4.00 inch range. Consistency across the full set also matters, especially on older cars where mixed constructions or mismatched dimensions can change appearance and driving feel.

A quality 500/520-14 tire should first match the needs of the vehicle and the purpose of the build. In this size, that usually means checking for correct bias-ply construction, proper fit on a 14-inch wheel, and dimensions that preserve the narrow, upright look expected on classic passenger cars from the 1940s to early 1960s.

Construction accuracy and set consistency are especially important on vintage tires. Buyers should compare tire weight, wheel-width compatibility, sidewall appearance, and whether the tire is intended to be used with a tube-based wheel setup. For restoration work, a tire that visually and proportionally suits the car often delivers a better result than one chosen only by size marking.

Yes, keeping all four 500/520-14 tires matched in construction and appearance is the best practice for most classic passenger cars. Using the same bias-ply design and the same general sidewall presentation helps maintain a uniform stance and a more predictable driving feel.

Mixing different constructions or visibly different sidewall treatments can make an older car look uneven and may change how it responds on the road. Even when the size markings match, tires from different design families can vary in profile and visual height. For a restoration-minded owner, a consistent full set usually gives the most convincing period appearance.

The 500/520-14 should be stored with the vehicle away from sunlight, heat, moisture, and ozone sources such as electric motors or battery chargers. Even a low-mileage bias-ply tire can age with time, so storage conditions matter as much as tread depth on a collector vehicle.

Long periods of sitting can also contribute to flat spotting and hidden deterioration. Owners who keep a classic parked for extended stretches should inspect the sidewalls regularly for cracking, check inflation before moving the car, and look over the wheels and valve hardware at the same time. Seasonal storage habits often have a direct effect on how long vintage tires remain serviceable.

The 500/520-14 should be inspected regularly for cracking, cuts, bulges, uneven wear, and air loss, especially on a collector car that may not be driven every week. Bias-ply tires on older vehicles deserve close visual checks because age and storage conditions can affect them even when miles are limited.

Pre-drive inspections are especially important before a longer outing or after the car has been sitting. Look at the sidewalls, tread surface, valve area, and the wheel itself, and make sure the tire still sits properly on the rim. Owners should also pay attention to any new vibration, pull, or change in steering feel, since those can signal a problem that needs attention.

The 500/520-14 is commonly a tube-type fitment, but tube use should still be confirmed from the complete wheel-and-tire combination. The size alone does not settle the question, because wheel design, rim condition, and the specific tire's construction all affect whether a tube is appropriate.

Original wheels on older passenger cars were often built around tube service, and a restored wheel may still require that same approach today. Buyers should inspect the wheel carefully, review the markings and instructions on the actual tire, and follow manufacturer guidance when there is any doubt. A qualified tire professional can help confirm the correct setup before the tire goes into service.

The 500/520-14 should be replaced when age or condition raises concern, even if the tread still appears usable. Cracking, bulges, repeated air loss, impact damage, or signs of deterioration are all stronger warnings than tread depth alone on an older bias-ply tire.

Collector cars often accumulate fewer miles, but time, heat, sunlight, and long storage periods still age the rubber and internal structure. Before relying on a vintage-size tire for road use, inspect the full tire carefully and consider how old it is, how it has been stored, and how the vehicle will be driven. If condition is uncertain, a qualified tire professional should evaluate it.

The 500/520-14 can be appropriate on modern roads when the tire is in good condition, properly mounted, and used within the limits of the vehicle and the tire's design. Buyers should treat it as a vintage bias-ply fitment, not as a direct substitute for the behavior of a modern passenger radial.

Safe use depends on more than the size code. Wheel condition, correct tube setup where required, suspension health, alignment, and realistic driving expectations all matter. Before longer trips, inspect the tires thoroughly and make sure the 14-inch wheel and 3.50 to 4.00 inch rim width are correct for the tire. Local laws and inspection expectations should also be reviewed where applicable.

The most important checks before driving on the 500/520-14 are tire condition, air retention, visible sidewall damage, and wheel compatibility. Buyers should confirm that the tire is mounted on the correct 14-inch rim and that the wheel width falls within the proper 3.50 to 4.00 inch range.

On an older wheel-and-tire system, safety also includes confirming whether the setup should use a tube and making sure the wheel itself is sound. Inspect for cracks, cuts, bulges, uneven wear, and any sign the bead is not seated correctly. For a classic car that has been sitting, a careful inspection before every meaningful drive is a wise part of routine ownership.