The 1967 Singer Chamois belongs to the lively small-car tradition of the Rootes era, giving buyers a compact British sedan with rear-engine character and distinctly period proportions. Its tire choice matters because the Chamois is light, narrow, and sensitive to preserving the right overall look and stance. For this model, the primary fitment centers on 12-inch tires in either a 5.50-12 bias-ply or a 145R12 radial, so construction choice is part of the decision from the start. That means the conversation is not just size, but whether to keep a more traditional presentation or move to a radial format. Wheel condition, actual wheel width, and restoration goals should guide the final choice.
Which Tire Size Is Right for The 1967 Singer Chamois
The 1967 Singer Chamois uses two primary tire sizes, both built for a 12-inch rim: 145R12 in radial construction and 5.50-12 in bias-ply construction. Because the Base model can use either size, the key step is deciding whether you want a more traditional bias-ply setup or a radial tire with a later-style sizing format and road-use character.
145R12 is a Euro-metric radial size in which 145 refers to nominal section width in millimeters, R identifies radial construction, and 12 is the rim diameter in inches. On a 1967 Singer Chamois, this size represents the radial option for owners who want a tire in the correct general fitment family for a 12-inch wheel. Michelin offers this size in the Michelin MX series with a Blackwall sidewall and an 80 Series Metric Radial profile. It is a strong size to evaluate when the car is being driven regularly and the wheel setup matches the tire's rim-width requirements.
5.50-12 is a numeric bias-ply size in which 5.50 refers to the nominal section width in inches and 12 identifies the rim diameter. For the 1967 Singer Chamois, this is the more traditional bias-ply sizing format and suits buyers aiming to retain an earlier-style tire presentation. Bias-ply construction also keeps the selection focused on period-style fitment rather than modern metric sizing conventions. This size is worth considering when appearance, restoration character, and maintaining a vintage tire format are more important than shifting to a radial alternative.
Tire fitment is straightforward for the covered 1967 Singer Chamois sub-model because the same two 12-inch tire sizes apply. Checking the exact sub-model still matters so the tire choice stays focused on the correct size family and construction style.
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1967 Singer Chamois Base
The 1967 Singer Chamois Base can use either 145R12 radial or 5.50-12 bias-ply tires on a 12-inch rim. That gives the Base owner a clear choice between a metric radial format and a traditional numeric bias-ply format, with wheel width and the car's intended appearance helping determine which direction makes the most sense.
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:
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 1967 Singer Chamois Tires for Sale
Available 145R12 choices for the 1967 Singer Chamois currently center on Michelin, with the Michelin MX series in a Blackwall radial configuration. That keeps the product comparison focused on correct 12-inch radial fitment, tire series, and wheel-width compatibility rather than a long list of cosmetic variations.
Common 1967 Singer Chamois tire questions usually come down to size selection, 12-inch rim fitment, choosing between bias-ply and radial construction, and checking wheel and suspension condition before putting the car back on the road.
Tire Size & Fitment
What tire size fits a 1967 Singer Chamois?
A 1967 Singer Chamois uses two recognized tire sizes: 145R12 in radial construction and 5.50-12 in bias-ply construction. Both sizes are built around a 12-inch rim, so the main fitment distinction is not wheel diameter, but the tire's sizing system and construction type.
That means the real choice is whether the car is staying closer to a traditional period-style bias-ply presentation or moving to a radial setup. The best next step is to confirm the actual wheels on the car, especially if it has been restored or modified over the years, and then compare the tire choice against clearance, wheel width, and intended use.
What size rim does a 1967 Singer Chamois use?
The tire sizes used on a 1967 Singer Chamois are both designed for a 12-inch rim diameter. That applies to the radial 145R12 and the bias-ply 5.50-12, so rim diameter remains consistent even though the tire formats are different.
Rim diameter is only one part of the fitment picture, especially on a small vintage car. The wheel's actual width and condition should also be checked before selecting a tire, since an older car may no longer be wearing its original wheels, and that can affect how comfortably a radial or bias-ply option matches the setup.
Does the 1967 Singer Chamois Base use the same tire size?
Yes. The 1967 Singer Chamois Base uses the same two size paths as the model core: 145R12 as a radial option and 5.50-12 as a bias-ply option. The sub-model does not introduce a different rim diameter or a separate primary size family.
That keeps selection relatively simple, but the decision still matters because construction changes the character of the tire choice. A buyer should focus less on hunting for a unique Base-only size and more on confirming wheel dimensions, deciding between radial and bias-ply construction, and matching the tire's appearance to the car's restoration or driving goals.
Choosing the Right Tire
What should I consider when choosing a 145R12 tire for a 1967 Singer Chamois?
Start with the basics: 145R12 is a radial tire size for a 12-inch rim, and it belongs to one of the correct fitment paths for the 1967 Singer Chamois. The available radial product in this size is the Michelin MX, a Blackwall tire in an 80 Series Metric Radial format.
From there, the decision becomes more about the car's intended use and wheel setup than about finding another primary size. Check actual wheel width, inspect wheel condition, and decide whether the cleaner radial presentation suits the car better than a traditional bias-ply look. On a small vintage sedan, those details can influence both stance and overall presentation.
What sidewall styles are available for 1967 Singer Chamois tires?
The currently visible sidewall style in 145R12 for the 1967 Singer Chamois is Blackwall. That gives the car a simple, understated presentation that suits many restored or regularly driven compact British cars without adding a strong visual stripe or whitewall element.
Sidewall style matters because a small car like the Chamois shows a lot of visual character through tire proportion and sidewall treatment. The best choice depends on whether the goal is a cleaner driver-focused look or a more strictly vintage feel through construction and sizing format, which may lead some owners to evaluate the 5.50-12 bias-ply path instead.
What brands offer tires for the 1967 Singer Chamois?
Michelin is represented in the available 145R12 radial fitment for the 1967 Singer Chamois through the Michelin MX series. That makes Michelin part of the current selection for buyers pursuing the radial side of this car's 12-inch tire fitment.
Brand is only one part of the decision on a vintage car with limited modern sizing. The more important comparison is whether the construction type, sidewall presentation, and wheel-width compatibility match the actual car. A Chamois that is being restored for period-style appearance may lead the buyer toward the bias-ply format, while a road-driven car may keep the focus on radial options.
Restoration & Appearance
Which tire should I choose for a period-style 1967 Singer Chamois?
For a period-style 1967 Singer Chamois, the 5.50-12 bias-ply format is the natural starting point because it preserves the traditional numeric sizing convention associated with older tire fitments. That makes it especially relevant when the goal is to maintain a more vintage visual character rather than move immediately to a metric radial presentation.
Appearance-focused selection should still be balanced with the actual wheel setup and how the car will be used. A restoration intended for shows, display, or strongly traditional presentation may lean toward bias-ply, while a car expected to see more regular road miles may justify comparing that period-style look against the practicality of a 145R12 radial.
How does tire construction affect the appearance of a restored 1967 Singer Chamois?
Tire construction changes more than ride feel on a restored 1967 Singer Chamois; it also changes the visual language of the car. A 5.50-12 bias-ply keeps the older numeric sizing style and a more traditional presentation, while a 145R12 radial introduces a later metric format with a more modern-looking tire identity.
That difference matters on a compact British sedan because the tires are a visible part of the car's stance and proportion. Buyers aiming for strict historical accuracy should compare the final choice against marque references or restoration records, while buyers focused on road use can weigh whether the radial format still supports the look they want.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1967 Singer Chamois?
Yes. Modifications can affect tire fitment on a 1967 Singer Chamois even when the tire size itself is correct. Changes such as aftermarket wheels, altered wheel width, suspension work, ride-height adjustments, or body repairs can all influence how either a 145R12 radial or 5.50-12 bias-ply sits on the car.
A smart check includes confirming actual rim diameter and width, then looking at clearance around fenders, steering travel, and suspension components. On a vintage compact car, small dimensional changes can matter more than they would on a larger vehicle, so tire choice should be matched to the Chamois as it exists now rather than assumed from age alone.
What should I inspect before driving a 1967 Singer Chamois on new tires?
Before driving a 1967 Singer Chamois on new tires, inspect the wheels, valve stems, and lug hardware, and make sure the tires are mounted in the correct size and construction for the intended setup. It is also wise to check for suspension wear, brake drag, and any interference that could affect a small 12-inch tire package.
Road-readiness on a collector car also means watching for signs of age elsewhere in the chassis. Tire pressure should be set appropriately for the chosen tire and vehicle setup, and the first short drive should be used to check for rubbing, pulling, vibration, or unusual heat buildup. Catching those issues early helps protect both the tire and the car.
How should 1967 Singer Chamois tires be maintained on a collector car?
Collector-car tire maintenance on a 1967 Singer Chamois starts with regular pressure checks and routine visual inspection. Look for cracking, cuts, bulges, uneven wear, and slow air loss, especially if the car spends long periods parked. That advice applies whether the car is running a 145R12 radial or a 5.50-12 bias-ply tire.
Storage conditions matter just as much as mileage on low-use vintage vehicles. Keeping the car away from prolonged sunlight, excess heat, moisture, and ozone sources helps preserve tire condition, and occasional movement can reduce flat-spotting concerns. Before any longer drive, check tread condition and overall age so the Chamois is not relying on tires that only look serviceable.
