1957 Autobianchi Bianchina Tires

The 1957 Autobianchi Bianchina belongs to the early postwar class of small European city cars, where compact dimensions and light weight shaped nearly every design decision. Its charm today comes from that same delicate, efficient character, which makes tire selection especially important for both appearance and drivability. This Bianchina uses a 125-12 bias-ply tire on a 12-inch rim, keeping the fitment firmly in period small-car territory. Buyers considering replacement tires will usually be deciding between a traditional bias-ply presentation and a modern radial equivalent such as 125R12 or P125/75R12. The right choice depends on whether the goal is faithful vintage character, practical road use, or a careful balance of both.

Which Tire Size Is Right for The 1957 Autobianchi Bianchina

The 1957 Autobianchi Bianchina uses one primary tire size: 125-12 in bias-ply construction on a 12-inch rim. The 110B sub-model uses this same size, so the main decision is not which primary fitment applies, but whether to stay with a traditional bias-ply tire or compare it with the available radial-equivalent sizes before choosing a tire style.

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125-12Numeric bias-ply
Fit(s): 110B
Construction: Bias PlyRim: 12 in

The 125-12 size uses an older numeric bias-ply format, where the leading number identifies the tire's nominal section width class and the final number identifies the 12-inch rim diameter. On a 1957 Autobianchi Bianchina, that keeps the tire in the small, period-style format associated with compact European cars of the era. Available choices in this size include BFGoodrich's Silvertown Classic Bias Ply with a narrow whitewall treatment. This size makes the most sense for owners who want to preserve the vintage look and original-style construction while confirming wheel condition and overall fit before road use.

Explore 125-12 Tires

1957 Autobianchi Bianchina Sub-Model Tires

Tire fitment is straightforward for the covered 1957 Autobianchi Bianchina sub-models. The 110B uses the same primary tire size, so selection comes down to construction preference, appearance, and making sure the car still has the expected 12-inch wheel setup.

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1957 Autobianchi Bianchina 110B

The 1957 Autobianchi Bianchina 110B uses the same 125-12 bias-ply tire size as the core model. That keeps tire selection centered on whether to retain a traditional small-car bias-ply look or compare the available radial equivalents after confirming wheel width and clearance.

Associated Tire Sizes

Bias-Ply to Radial Tire Conversion for the 1957 Autobianchi Bianchina

The original 125-12 tire size has two radial-equivalent options. 125R12 is the 80-series metric radial alternative, while P125/75R12 is the P-metric 75-series radial alternative. These choices move the Bianchina from a vintage numeric bias-ply format into modern radial sizing conventions. A recommended rim-width range of 4 to 5 inches applies to these equivalent sizes, so wheel width, overall dimensions, and clearance should all be checked before changing construction.

Modern Radial Equivalents
  • 125R12

    Equivalent 80-series Metric Radial (125-12)

  • P125/75R12

    Equivalent P-metric 75-series Radial (125-12)

Important Considerations When Replacing Bias Ply With Radial
  • Compare overall diameter and section width carefully to ensure proper fit.
  • Verify recommended rim range (4-5 in) and load needs match your vehicle specifications.
  • Check fender clearance, steering clearance, and stance before installation.
  • Consider suspension condition and intended road use when choosing equivalents.

Important Fitment Notes

The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:

  • Wheel modifications (wider rims, offset changes, aftermarket wheels)
  • Suspension changes (lowering, lift kits, spring replacements)
  • Body alterations (fender modifications, custom bodywork)

If your vehicle has been modified from factory specifications, verify tire clearance before purchase.

Best 1957 Autobianchi Bianchina Tires for Sale

Available 125-12 choices focus on traditional bias-ply fitment rather than a broad mix of constructions. The current option is a BFGoodrich Silvertown Classic Bias Ply with a narrow whitewall, giving the Bianchina a distinctly restoration-oriented presentation on a 4-inch rim width.

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Bias Ply

BFGoodrich 1.3125 Inch Whitewall | 125-12

BFGoodrich - Silvertown Classic Bias Ply

SIDEWALLNarrow Whitewall
RIM DIAMETER12 in
RIM WIDTH4 in
WEIGHT11 lb
MAX LOAD495@32 psi
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Frequently Asked Questions

These FAQs focus on 1957 Autobianchi Bianchina tire size, 12-inch rim fitment, bias-ply versus radial choices, narrow whitewall appearance, and the wheel and condition checks that matter before putting a small collector car back on the road.

Tire Size & Fitment

What tire size fits a 1957 Autobianchi Bianchina?

The 1957 Autobianchi Bianchina uses a 125-12 tire size in bias-ply construction. That is the primary fitment for this model, and the 1957 Autobianchi Bianchina 110B uses the same size as well.

For most owners, the key step is confirming that the car still has its expected 12-inch wheel setup and has not been altered over the years. Once the primary size is confirmed, the next decision is whether to stay with a traditional 125-12 bias-ply tire or evaluate one of the available radial-equivalent sizes for road use.

What size rim does a 1957 Autobianchi Bianchina use?

The 1957 Autobianchi Bianchina uses a 12-inch rim diameter with its primary 125-12 tire size. The available 125-12 BFGoodrich product is built for a 12-inch rim and uses a 4-inch rim width.

Rim diameter should be verified before ordering because the tire size itself is tied directly to that 12-inch wheel. On a collector car this small, even a minor wheel change can affect proper tire selection, so it helps to confirm both the actual rim diameter and width on the car before choosing between bias-ply and radial-equivalent options.

Does the 1957 Autobianchi Bianchina 110B use the same tire size?

Yes. The 1957 Autobianchi Bianchina 110B uses the same 125-12 bias-ply tire size as the covered 1957 Autobianchi Bianchina core fitment. That makes sub-model fitment simple in this case rather than split across multiple sizes.

Even with shared size fitment, it is still worth checking the actual wheels on the car, especially if it has been restored or modified at some point in its life. Once the wheel setup is confirmed, the real choice becomes style and construction, such as keeping the traditional bias-ply look or reviewing the available radial-equivalent sizes.

Bias-Ply & Radial Options

Is 125-12 a bias-ply or radial tire for the 1957 Autobianchi Bianchina?

For the 1957 Autobianchi Bianchina, 125-12 is a bias-ply tire size. It is the vehicle's primary fitment and reflects the vintage small-car sizing and construction style associated with the period.

That matters because a buyer may be choosing between preserving the car's traditional driving feel and appearance or moving to a radial-equivalent size for a different construction type. The wheel diameter remains 12 inches either way, but the actual wheel width, tire dimensions, and clearance should be confirmed before changing away from the original-style bias-ply format.

What radial tire sizes are equivalent to 125-12?

Radial equivalents for 125-12 include 125R12 and P125/75R12. The 125R12 option is an 80-series metric radial, while P125/75R12 is a P-metric 75-series radial alternative for the same general fitment class.

These sizes give a Bianchina owner two different radial sizing formats to compare while staying in the 12-inch wheel family. A recommended rim-width range of 4 to 5 inches applies to those radial equivalents, so the actual wheel width on the car, along with tire clearance and overall setup, should be checked before treating either one as a suitable alternative.

What should I check before converting my 1957 Autobianchi Bianchina from bias-ply to radial tires?

Start by confirming the actual wheel diameter and width on the car, then compare the intended radial-equivalent size with the Bianchina's current setup. For a 125-12 bias-ply fitment, the available radial equivalents are 125R12 and P125/75R12, with a recommended 4 to 5 inch rim-width range.

A conversion also deserves a careful clearance check at the fenders, steering, and suspension, especially on a compact collector car with limited space around the tires. It is also wise to inspect wheel condition, alignment, and the age of any existing components so the new tires are not asked to compensate for unrelated issues in the chassis or running gear.

Choosing the Right Tire

What should I consider when choosing a 125-12 tire for a 1957 Autobianchi Bianchina?

The first priority is staying with the correct 125-12 primary size if the car still uses its original-style setup. From there, the main considerations are construction type, wheel compatibility, intended use, and whether the goal is a traditional vintage presentation or a move toward a radial-equivalent alternative.

A small collector car like the Bianchina benefits from careful attention to detail, so check the actual 12-inch wheels, confirm width, and inspect for prior modifications before making a decision. Appearance may matter just as much as construction here, especially if the buyer wants a narrow whitewall look that suits the car's period character.

What sidewall styles are available for 1957 Autobianchi Bianchina tires?

The available 125-12 product for the 1957 Autobianchi Bianchina uses a narrow whitewall sidewall style. That gives the car a more decorative and period-style look than a plain blackwall presentation, while staying within the correct primary tire size.

Sidewall choice affects the car's visual balance more than many owners expect, especially on a compact vehicle with small 12-inch wheels. A narrow whitewall can complement a restoration-oriented build, but it is still important to confirm that the buyer is selecting the right size and construction first, then choosing the sidewall treatment that matches the intended appearance.

What brands offer tires for the 1957 Autobianchi Bianchina?

BFGoodrich is the available brand in the 125-12 primary tire size for the 1957 Autobianchi Bianchina. The current option is part of the Silvertown Classic Bias Ply series and uses a narrow whitewall sidewall treatment.

That makes brand selection simple, but the buying decision still involves more than the name on the sidewall. Construction, rim fit, overall appearance, and whether the car is being kept close to its vintage bias-ply character or compared against radial-equivalent sizes are all more important than treating the brand alone as the deciding factor.

Restoration & Appearance

Which tire should I choose for a period-style 1957 Autobianchi Bianchina?

For a period-style 1957 Autobianchi Bianchina, the 125-12 bias-ply fitment is the natural starting point because it keeps the car in its original-era tire format. That approach preserves the small-scale vintage look better than jumping immediately to a modern radial sizing convention.

A restoration-minded buyer should then look at appearance details within that size, such as whether a narrow whitewall suits the car's intended presentation. If exact originality matters beyond general period style, it helps to compare the finished tire choice with marque references, historical photos, or restoration documentation specific to the individual car.

How does tire construction affect the appearance of a restored 1957 Autobianchi Bianchina?

Tire construction changes more than ride and handling on a restored 1957 Autobianchi Bianchina; it also changes the visual character of the car. A 125-12 bias-ply tire maintains the vintage construction style associated with the Bianchina's era, while radial equivalents shift the car toward a more modern presentation.

That visual difference matters because the Bianchina is such a compact, design-sensitive car that the tires remain highly visible in the overall profile. Buyers who want a restoration-oriented look often stay with the original-style bias-ply format first, then choose sidewall treatment carefully so the tire supports the car's proportions rather than overpowering them.

Fitment, Maintenance & Road Use

Can modifications affect tire fitment on a 1957 Autobianchi Bianchina?

Yes. Modifications can affect tire fitment on a 1957 Autobianchi Bianchina, especially if the car has different wheels, altered suspension height, brake changes, or bodywork repairs that reduce space around the tires. Even a small change matters more on a compact vehicle with 12-inch wheels and limited clearance.

Checking the actual wheel diameter and width is the first step, followed by a close look at steering and fender clearance. That becomes even more important when comparing the original 125-12 bias-ply size with radial-equivalent options, since the tire may change in profile or section shape enough to deserve a careful test fit before regular driving.

What should I inspect before driving a 1957 Autobianchi Bianchina on new tires?

Before driving a 1957 Autobianchi Bianchina on new tires, inspect the wheels for damage or corrosion, verify proper mounting on the 12-inch rims, and confirm that the tires clear the fenders and steering range. It also helps to check valve stems, wheel fasteners, and overall tire pressure before the first road test.

A collector car that has spent time parked should also have its suspension, brakes, and alignment reviewed so the new tires are not worn prematurely or asked to mask mechanical problems. Start with a short, low-speed drive and recheck for rubbing, air loss, or uneven behavior before taking the car out for longer trips.

How should 125-12 tires on a collector 1957 Autobianchi Bianchina be maintained?

125-12 tires on a collector 1957 Autobianchi Bianchina should be maintained with regular pressure checks, visual inspection, and careful storage habits. Watch for cracking, bulges, cuts, uneven wear, and slow air loss, especially because low-use collector cars often age their tires before they wear them out.

Parking away from prolonged sunlight, heat, moisture, and ozone sources helps preserve the tire's condition over time. It is also smart to inspect the tires before every meaningful drive rather than relying on annual mileage, since a small, lightly used vintage car can still develop age-related tire issues that affect safety and drivability.