Simca Castel Tires

Simca Castel occupies an interesting place in early-1960s small-car history, coming from a period when European compacts were balancing modest size, economy, and increasingly modern road manners. Produced from 1960 through 1963, Simca Castel sits right at the point where buyers may encounter either traditional bias-ply sizing or newer radial sizing for the same model years. That overlap is what makes tire selection less straightforward than simply matching the year, because the listed options reflect two different construction approaches on the same 14-inch wheel diameter. For a Simca Castel, the first step is to confirm whether the car is set up for the original-style numeric bias-ply size or the metric radial alternative.

Simca Castel Tire Size Guide

Simca Castel uses 2 distinct tire sizes across the 1960 to 1963 production span, and both sizes are built around a 14-inch rim diameter. The key difference is construction and sizing convention rather than a wheel diameter change, with one modern-style metric radial size and one period numeric bias-ply size. Knowing which system your car is set up to use is the critical step before moving on to sidewall style or brand preference.

155R141960-1963Euro-metric radial

155R14 is a radial tire size used on Simca Castel models across 1960 through 1963. The 155 indicates a 155 mm section width, the R identifies radial construction, and the 14 is the required 14-inch rim diameter. Choose this size if your Simca Castel is set up for metric radial fitment and you want radial construction on the original wheel diameter.

560-141960-1963Numeric bias-ply

560-14 is a numeric bias-ply size used on Simca Castel models across 1960 through 1963. The 560 indicates a nominal section width in inches with the decimal omitted, and the tire fits a 14-inch rim diameter. Choose this size if your Simca Castel is running period-style bias-ply tires; a tube is required.

Simca Castel Tires by Year

The year listing shows both sizes associated with Simca Castel production from 1960 through 1963, so the year alone does not narrow the choice. Each year carries two listed sizes, reflecting a construction split between radial and bias-ply options rather than a wheel diameter change. Compare the tire already on the car, the wheel width, and any original paperwork before selecting from the year tabs.

Best Simca Castel Tires for Sale

Available Simca Castel tires include 5 products from 3 brands across 155R14 and 560-14 sizes. Confirm the correct size, construction type, and 14-inch rim fit before selecting.

155R14 Products

These are the available products for 155R14.

80 Series Metric Radial

Michelin X | 155R14

Michelin - Michelin X Radial

SidewallBlackwall
Rim Diameter14 in
Rim Width—
Weight20 lb
Max Load—
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80 Series Metric Radial

Firestone F560 Radial Tire | 155R14

Firestone - F560 Radial

SidewallBlackwall
Rim Diameter14 in
Rim Width4.00 - 5.50 in
Weight14.6 lb
Max Load990@44 psi
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560-14 Products

These are the available products for 560-14.

Bias Ply

BFGoodrich 2.25 Inch Whitewall | 560-14

BFGoodrich - Silvertown Classic Bias Ply

SidewallWide Whitewall
Rim Diameter14 in
Rim Width3.50 - 4.00 in
Weight18 lb
Max Load906@30 psi
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Bias Ply

BFGoodrich | 560-14

BFGoodrich - Silvertown Classic Bias Ply

SidewallBlackwall
Rim Diameter14 in
Rim Width3.50 - 4.00 in
Weight17 lb
Max Load906@30 psi
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Bias Ply

BFGoodrich 1.00 Inch Whitewall | 560-14

BFGoodrich - Silvertown Classic Bias Ply

SidewallNarrow Whitewall
Rim Diameter14 in
Rim Width3.50 - 4.00 in
Weight18 lb
Max Load906@30 psi
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Frequently Asked Questions

The FAQ for Simca Castel focuses on the two-size overlap used from 1960 to 1963, especially the difference between 560-14 bias-ply and 155R14 radial fitment. It also covers sidewall choices, brand options, and how to care for collector-car tires that see limited seasonal use.

Size Basics & Fitment

Simca Castel uses two listed tire sizes across the 1960 through 1963 model years: 155R14 and 560-14. Both sizes fit 14-inch rims, but they represent different sizing systems and different construction types. The 155R14 options are radial tires, while the 560-14 options are bias-ply tires. That means the correct choice is not just about diameter, but also about how the car is intended to ride and handle.

A practical way to narrow the choice is to inspect what is already on the car and compare the wheel width to the tire's intended range. The 155R14 radial products are built for a different fitment approach than the 560-14 bias-ply products, so a Simca Castel owner should confirm both the size marking and the wheel setup before changing tire type.

On a Simca Castel, 560-14 is a traditional numeric bias-ply size. The 560 is the nominal section width expressed in inches with the decimal omitted, and the 14 identifies the rim diameter in inches. For the available Simca Castel products in this size, the tire is built for a 14-inch rim and fits rim widths in the 3.50 to 4.00 inch range.

That size is the period-style choice for owners who want original bias-ply appearance and response. Because the available 560-14 Simca Castel tires are bias-ply products, tube-type fitment should be part of the plan when preparing the wheels. It is also wise to inspect the wheel condition carefully, since older narrow rims can have bead-seat or corrosion issues that affect tire installation.

A 1960 Simca Castel has both 155R14 and 560-14 listed because the model is represented by both radial and bias-ply fitment options on the same 14-inch wheel diameter. The split is not caused by a wheel size change, since both use 14-inch rims. Instead, it reflects two construction types and two different ways of expressing tire size: metric radial and traditional numeric bias-ply.

That means a 1960 Simca Castel owner should not choose by year alone. Check whether the car is already running radial tires, whether the wheels match the recommended width range for the intended tire, and whether originality or driving feel is the main goal. Those factors usually point more clearly to the right choice than the model year by itself.

Simca Castel tube needs depend on which of the two listed tire sizes you use. The 560-14 products are bias-ply tires in a traditional numeric format, and a tube is required with that fitment. The 155R14 products are radial tires and include a tubeless-marked size entry on the Michelin offering, so they are not in the same tube-required category as the bias-ply option.

For a Simca Castel owner, the important point is to match the tire type to the wheel and intended setup. If the car is being returned to a period-style bias-ply configuration, plan on tubes and inspect the wheels accordingly. If the car is already equipped for radial use, confirm wheel condition and dimensions before assuming the same hardware approach applies.

Crossply vs Radial

Simca Castel is listed with both 560-14 bias-ply tires and 155R14 radial tires, so either construction appears within the covered fitment range. The bias-ply option is the more traditional period-style choice, while the radial option reflects the more modern construction type available for the same 14-inch wheel diameter. Both are legitimate directions, but they serve different owner priorities.

If authenticity and a period-correct visual character matter most, many Simca Castel restorations will lean toward the 560-14 bias-ply size. If the goal is a more modern road feel within the listed fitment range, the 155R14 radial deserves attention. The right answer usually comes from deciding whether the car is being judged, toured, or simply preserved with its original character in mind.

A Simca Castel fitted with 155R14 radial tires will generally feel different from one running 560-14 bias-ply tires because the two constructions flex and respond differently. The listed radial products use a metric sizing system and modern radial carcass design, while the 560-14 products are classic bias-ply tires. That difference affects steering feel, straight-line tracking, and the general character of the car on the road.

For the owner, the decision is less about right or wrong and more about preserving the intended experience. A Simca Castel on bias-ply tires will retain more of the period driving character, while radials often appeal to owners who use the car more regularly. If changing construction type, inspect wheel condition and make the change as a complete set rather than one axle at a time.

A Simca Castel is listed with both crossply-style bias-ply and radial tire options, but mixing those constructions on one car is not a good practice. Bias-ply 560-14 tires and radial 155R14 tires behave differently under load, in cornering, and during braking. Even though both fit a 14-inch rim diameter, their operating characteristics are not the same.

The sound approach is to keep a Simca Castel on one construction type across the full set, matched by size and intended use. That preserves more predictable handling and avoids introducing front-to-rear differences that the chassis was never meant to balance. If the car arrives with a mixed set, treat replacement as a full-system decision rather than swapping only one pair.

Buying the Right Tire

A 1961 Simca Castel can use either 155R14 radial or 560-14 bias-ply tires, both on 14-inch rims. The fastest way to confirm the correct fitment is to read the size already fitted, measure the wheel width, and compare the overall setup with the intended character of the car. The 560-14 products fit 3.50 to 4.00 inch rim widths, while one listed 155R14 radial product fits 4.00 to 5.50 inch rim widths.

That wheel-width difference matters because a Simca Castel may have wheels better suited to one construction style than the other. If the car is a preservation-minded restoration, the numeric bias-ply size often aligns with that goal. If the car has already been set up around radial use, the metric size may be the more appropriate path.

Simca Castel tire options include more than one sidewall style. The 155R14 radial products are listed in blackwall form, while the 560-14 bias-ply products are available as blackwall, narrow whitewall, and wide whitewall. That gives Simca Castel owners a choice between a restrained factory-like appearance and a more stylized whitewall presentation on the bias-ply side.

For selection, the sidewall should follow the visual direction of the car rather than being treated as a separate cosmetic detail. A Simca Castel restored in a clean European small-car style will often look most natural on blackwalls, while a whitewall may suit a period custom presentation. Decide the look first, then make sure the construction and wheel fit still line up.

Simca Castel tire options here come from Michelin, Firestone, and BFGoodrich. Michelin and Firestone cover the 155R14 radial fitment, while BFGoodrich covers the 560-14 bias-ply fitment in multiple sidewall styles. That means brand choice is tied closely to construction choice, not just to cosmetic preference.

A Simca Castel owner should think of the brand decision as part of a broader fitment decision. If the car is moving toward radial driving characteristics, the available brands are different from the bias-ply path. If the goal is a traditional look with blackwall or whitewall options, the BFGoodrich 560-14 family provides that route.

Maintenance & Longevity

A Simca Castel should be stored in a cool, dry, dark space with the tires kept away from direct sunlight, ozone sources, and wide temperature swings. Clean the tires before storage and make sure the car is not sitting on contaminated concrete, oil, or solvents. Collector cars that sit for long periods benefit from regular rolling or repositioning to reduce the chance of flat spotting and localized stress.

For owners keeping a Simca Castel over winter or between events, inflation should be checked before the car is parked and again before it is moved. If the car will sit for an extended period, many collectors use tire cradles or place the car on stands in a way that protects the suspension and tires. The key is to avoid long-term static loading in poor environmental conditions.

Tires on a Simca Castel should be inspected before every meaningful drive and more thoroughly at regular service intervals. A visual check should include tread wear, sidewall cracking, cuts, bulges, embedded debris, valve condition, and any signs of shifting on the rim. On a collector car, long periods of inactivity can be as hard on tires as mileage, so infrequent use does not reduce the need for inspection.

For practical ownership, inspect a Simca Castel again after any long storage period and after the first few miles back on the road. Pay special attention if the car uses bias-ply tires, since tube-type and older-style fitments deserve careful pressure and casing checks. Good inspection habits help catch age-related issues before they become driving problems.

A Simca Castel tire should be replaced when age, cracking, hardening, bulging, vibration, impact damage, or separation signs appear, even if the tread still looks usable. Collector-car tires often age out before they wear out, especially when the car is stored for long periods or driven only occasionally. Tread depth alone is not a reliable measure of serviceability on a low-mileage classic.

The practical rule is to treat time and condition as seriously as mileage on a Simca Castel. If the car has been sitting, if the rubber feels hard, or if there is any visible sidewall deterioration, replacement should move ahead of cosmetic preservation. A periodic inspection by a tire professional familiar with vintage and collector vehicles is a sensible part of long-term care.

Restoration & Authenticity

Simca Castel is represented here by two period-appropriate fitment paths across 1960 through 1963: 560-14 in bias-ply form and 155R14 in radial form. The available products show that both traditional numeric bias-ply sizing and radial metric sizing belong to the Simca Castel conversation. That means originality on a specific car can depend on how that individual car was equipped and how strictly the restoration is being interpreted.

For a restoration, the best next step is to compare the car against factory literature, surviving examples, and marque-club guidance rather than relying on a single broad answer. A Simca Castel being judged for authenticity may need a different tire choice than one prepared for regular road use. Construction type, sidewall style, and wheel width should all be considered together.

Correct tire fitment can absolutely affect how a Simca Castel is received in both restoration judging and private sale evaluation. Tires strongly influence stance, sidewall profile, period appearance, and the overall visual honesty of a restoration. On a small European car like Simca Castel, an obviously mismatched tire can stand out quickly because the wheel and tire package is such a visible part of the car's proportions.

Owners pursuing show presentation should match the Simca Castel tire choice to the restoration goal rather than simply choosing the most modern-looking option. Marque clubs, period photographs, and surviving unrestored cars are useful references when deciding between radial and bias-ply appearance. Even when the car is not headed for judging, correct fitment usually helps preserve its character and market appeal.

Simca Castel tires are available here in blackwall, narrow whitewall, and wide whitewall styles, although the sidewall options vary by size and construction. The 155R14 radial choices are blackwall, while the 560-14 bias-ply choices include blackwall plus both narrow and wide whitewalls. That makes blackwall the broadest and most restrained restoration direction within the listed Simca Castel offerings.

A restoration-minded Simca Castel owner should let the era, market presentation, and intended visual character guide the sidewall choice. Blackwalls usually suit a straightforward European compact appearance, while whitewalls create a more stylized period look. The sidewall decision should be made after settling the more important question of radial versus bias-ply fitment.

Safety & Road Use

A Simca Castel fitted with properly sized, correctly installed, and well-maintained tires from the listed fitment range can be suitable for public-road use, but safety depends on the complete condition of the car and not just the tire itself. Construction type matters as well, since a 155R14 radial and a 560-14 bias-ply tire do not deliver the same road feel. Tire age, inflation, wheel condition, alignment, and brake condition all influence whether the car is truly road-ready.

Before regular use, treat a Simca Castel as a complete vintage system rather than a modern appliance. Inspect the tires closely, verify pressures, and make sure the wheels and suspension are in proper condition for the construction type you are using. A careful shakedown at modest speed is wiser than assuming a classic car will behave like a new one.

Before driving a Simca Castel, check tire pressure, visible sidewall condition, tread condition, valve stems, and any sign that the tire has shifted or settled oddly on the wheel. Also confirm wheel fasteners, steering response, brake feel, and that the tires match across the car by size and construction. On a Simca Castel with bias-ply tires, tube-related air loss and age-related casing issues deserve extra attention.

A practical pre-drive routine helps catch the small problems that become larger ones once the car is moving. For a Simca Castel that has been parked for weeks or months, add a short slow-speed check for vibration, pulling, or flat-spotting before heading into normal traffic. That simple habit is especially valuable on collector cars that are not driven every day.

A Simca Castel should be driven at speeds that respect both the age and construction of the tire package fitted to the car. Radial 155R14 tires and bias-ply 560-14 tires will not feel the same at speed, and an older collector car may have mechanical limits that matter as much as the tire itself. Even with fresh tires, a vintage Simca Castel should be driven with more mechanical sympathy than a modern commuter car.

The sensible approach is to build speed gradually and let the car tell you how stable and comfortable it feels. On a Simca Castel, that means avoiding sustained high-speed use until tire condition, balance, suspension, and steering are all sorted. If the car is running period-style bias-ply tires, a more conservative pace is usually the better long-term choice.