Franklin 11A Tires

Franklin 11A is associated with two tire sizes for 1926: 31X5.25 and 525-21. The 31X5.25 size uses the older diameter-by-section system, while 525-21 uses the newer numeric bias-ply system. The available products shown for Franklin 11A are built on 21-inch rims, and the listed 525-21 products confirm that 21-inch wheel diameter for the currently offered tires.

That means the job is not simply picking any tire labeled for a 1926 Franklin 11A. You need to verify whether the car is set up around the older 31X5.25 convention or the newer 525-21 convention, then confirm the actual wheel diameter on the car. On a restored or long-stored Franklin 11A, checking the wheel, any surviving tire markings, and period service information is the best way to settle the size choice.

On Franklin 11A, 31X5.25 is an antique diameter-by-section size. The 31 refers to the tire's overall outside diameter in inches, not the wheel diameter, and 5.25 is the nominal section width. That is the key point modern buyers often miss, because the wheel itself is smaller than 31 inches even though the tire code begins with 31.

For fitment, that means you cannot read 31X5.25 the way you would read a modern radial size. The actual rim diameter must be confirmed separately from the wheel or tire specifications, and on Franklin 11A the listed products for the companion 525-21 size point to a 21-inch rim. Antique-style sizing also goes hand in hand with tube-type bias-ply construction, so wheel condition and tube compatibility matter as much as the size itself.

A 1926 Franklin 11A can show both 31X5.25 and 525-21 because the model sits in a period when tire sizing conventions overlapped. One size is expressed in the older overall-diameter format, while the other uses the newer numeric bias-ply format. Both point toward the same general class of fitment rather than two entirely unrelated wheel packages.

In practical terms, the right choice comes from the wheels and the car's current configuration, not from the year alone. A Franklin 11A that has remained close to its earlier period setup may still be identified by the 31X5.25 convention, while another may be referenced by the 525-21 standard. Matching the tire to the existing wheel, rim width, and restoration objective will prevent a lot of confusion.

Franklin 11A tires in the listed sizes should be treated as tube-type applications. Both the antique-style 31X5.25 size and the available 525-21 products are bias-ply designs, and no tubeless indication appears with the offered Franklin 11A tires. On a 1926 car of this type, tubes are part of the normal fitment picture rather than an optional extra.

That matters because tube condition, flap requirements where applicable, and wheel surface condition all affect how well the tire performs once mounted. If a Franklin 11A has old wheels, fresh paint, rust scale, or repaired rims, those details should be checked before assembly. A correct tube setup helps the tire seat properly and supports reliable operation on a collector car that may spend long periods parked between drives.

Start with the wheel itself on the 1926 Franklin 11A. The year is linked to both 31X5.25 and 525-21, so the safest path is to confirm the actual rim diameter, inspect any surviving tire markings, and compare those findings with the car's restoration history. The available 525-21 products fit 21-inch rims, which gives you a useful reference point when checking the car.

Once the wheel diameter is settled, look at how the car is being restored or used. A Franklin 11A kept close to earlier period practice may be matched to the antique-style size convention, while another may be identified by the numeric system. If the car has been apart for years or has mixed parts, a Franklin specialist or marque literature can help confirm which size language belongs with that specific set of wheels.

Franklin 11A tires in the available 525-21 offerings include both blackwall and wide whitewall sidewall styles. The listed blackwall choices come from Firestone and Excelsior, while Firestone also offers a 3.00-inch whitewall in the same 525-21 size. That gives Franklin 11A owners a visible styling choice even within one size family.

The best sidewall style depends on how the Franklin 11A is being presented. A blackwall usually suits a more understated or utilitarian period appearance, while a wide whitewall creates a more formal late-1920s visual statement. On a judged restoration, the right answer should follow the specific car's history and presentation goal rather than modern taste alone.

Franklin 11A tires in the available 525-21 products come from Firestone and Excelsior. Firestone appears in both blackwall and wide whitewall versions within its Classic Bias Ply line, while Excelsior is represented by the Comp H series in blackwall form. Those are the two brands presently tied to the listed Franklin 11A product selection.

Brand choice on a Franklin 11A is usually about restoration priorities as much as basic fitment. One owner may prefer a particular sidewall look, while another may want a certain tread family or a brand with strong period recognition in the collector market. Once the size and rim are confirmed, comparing brand, sidewall style, and tire series is the sensible next step.

Franklin 11A currently shows two tire series in 525-21: Firestone Classic Bias Ply and Excelsior Comp H. Both are bias-ply tires for 21-inch rims, but they represent different product families and visual presentations within the vintage tire market. Firestone's entries include both blackwall and wide whitewall versions, while the listed Excelsior Comp H option is blackwall.

For a Franklin 11A owner, the practical difference is less about modern performance categories and more about period character, sidewall appearance, and how the tire complements the restoration. A car aimed at formal show presentation may lean toward one look, while another may favor a more restrained blackwall appearance. Series choice should follow the car's intended visual and historical direction after size fitment is settled.

Franklin 11A should be stored in a cool, dry, dark space with the tires kept away from direct sunlight, ozone sources, and standing moisture. Inflate the tires to an appropriate stored condition, keep the car on a clean surface, and avoid long periods with one part of the tread carrying the same load. Collector-car tires age as much from environment and inactivity as from mileage.

If the Franklin 11A will sit for months, moving it slightly from time to time helps reduce flat spotting and stress in the casing. Many owners also use wheel cradles or carefully support the vehicle to reduce constant load during long storage. Because tube-type bias-ply tires are part of the picture here, storage discipline helps protect both the tire casing and the tube inside.

Tires on a Franklin 11A should be inspected before every drive and given a more thorough examination several times each season. Look for cracking, exposed cord, sidewall damage, uneven wear, valve stem issues, loose rim hardware, and any change in how the tire holds air. On a pre-war collector car, age-related deterioration can matter more than tread depth.

A careful inspection routine is especially important when a Franklin 11A has been parked for extended periods. Bias-ply, tube-type assemblies can hide developing problems until the car is back in motion, so a visual check alone is not always enough. If the tire shows age, deformation, or unexplained air loss, have the assembly examined by a shop familiar with vintage wheels and tube-type tires.

Franklin 11A tires should be replaced when age, cracking, hardening, casing separation, persistent air loss, or impact damage appears, even if the tread still looks usable. Collector tires often retain tread because they cover limited miles, but rubber condition and structural integrity are what matter most. A pre-war car can place serious demands on an old tire even at modest road speeds.

The practical rule is to treat visible aging as a stronger warning than tread wear on a Franklin 11A. Any tire with uncertain age history deserves close evaluation, especially if the car has sat for years or has been stored in poor conditions. When in doubt, replacing the tire is usually the wiser choice than trying to stretch service from an aged casing on a nearly century-old automobile.

Franklin 11A is associated here with both 31X5.25 and 525-21 for the 1926 model year, which reflects the overlap between older and newer tire size conventions in that period. The available product families include Firestone Classic Bias Ply and Excelsior Comp H in 525-21, but that does not automatically mean every Franklin 11A left the factory with the same brand or presentation. The key original-fitment clue is the size system tied to the car's actual wheel setup.

For restoration work, the best approach is to match the tire size and visual style to the individual Franklin 11A rather than relying on the model year alone. Surviving factory literature, old photographs, and marque-club guidance can help settle whether the car should be represented with the antique-style designation or the numeric one. Once that is known, sidewall style and series choice can be refined to suit the restoration goal.

Correct tire fitment can absolutely affect how a Franklin 11A is viewed in restoration judging and by knowledgeable collectors. Size convention, sidewall treatment, overall stance, and period-appropriate construction all influence whether the car looks authentically finished. On a 1926 automobile, even a subtle mismatch in proportions can stand out quickly to experienced eyes.

That does not mean every Franklin 11A must be restored for formal judging, but it does mean tire choice should support the car's intended purpose. A touring car driven regularly may prioritize one balance of appearance and practicality, while a concours-oriented Franklin 11A may demand stricter adherence to period-correct visual details. Marque clubs and period reference material remain the best final authority when presentation matters.

Franklin 11A currently has blackwall and wide whitewall choices within the available 525-21 offerings. Both are period-appropriate visual directions for late-1920s American cars depending on how the individual automobile was equipped and presented. Blackwall gives a plainer, more restrained look, while a wide whitewall creates a more formal and prominent side profile.

For a restoration, the correct sidewall style should follow the specific Franklin 11A rather than a broad rule. Factory literature, period photos, and long-term ownership history can help determine whether the car should wear blackwalls or whitewalls. If authenticity is the goal, choose the sidewall treatment that best matches the car's original character before worrying about brand preference.

A properly fitted, correctly mounted, and well-maintained tire can make a Franklin 11A suitable for limited public-road use, but the car's overall mechanical condition matters just as much as the tire itself. Franklin 11A is a 1926 automobile with pre-war chassis, braking, steering, and wheel technology, so safety depends on the full system working as intended. Bias-ply, tube-type tires should also be matched to sound wheels and appropriate inflation practices.

Road use should be approached conservatively and with expectations that match the age of the car. A Franklin 11A is best enjoyed at moderate speeds on routes that leave room for longer stopping distances and gentler steering inputs than a modern car requires. Before any meaningful road use, inspect the wheels, tubes, valve stems, steering, brakes, and suspension as a complete package.

Before driving a Franklin 11A, check tire inflation, sidewall condition, tread condition, valve stems, wheel fasteners, and any sign of tube-related air loss. Also look at the rim for cracks, rust, or distortion and confirm that the tire is seated evenly. On a pre-war car, the tire and wheel assembly should always be treated as part of a broader mechanical inspection, not as an isolated item.

A sensible pre-drive routine also includes brakes, steering play, wheel bearings, and suspension movement. Franklin 11A should feel stable and predictable before it is taken onto the road, especially after long storage. If anything feels different from the car's normal behavior, stop and inspect rather than assuming the issue will clear up after a few miles.

Appropriate speed for a Franklin 11A on period-style tires is a conservative speed that respects both the tire construction and the capabilities of a 1926 automobile. Bias-ply, tube-type tires deliver a very different feel from modern radials, and the car's braking, steering response, and chassis balance belong to an earlier motoring era. Even with new reproduction tires, the whole vehicle should be driven with mechanical sympathy.

The practical rule is to keep a Franklin 11A at moderate cruising speeds and avoid sustained high-speed running, abrupt lane changes, or hard emergency-style maneuvers. The car will be happiest on secondary roads and touring conditions that suit its design. If the restoration includes old wheels, uncertain mechanical history, or long dormant periods, begin with very gentle use until the entire car proves itself.