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Questions and answers about sports

Rim width and minimum tyre width?

5 min read

Asked by: Jenna Silva

Equivalency table

Rim width Minimum tyre width Ideal tyre width
6,0 Inches 175 mm 185 or 195 mm
6,5 Inches 185 mm mm
7,0 Inches 195 mm 205 or 215 mm
7,5 Inches 205 mm 215 or 225 mm

Does tire width need to match rim width?

For your safety, and for the optimal ride, your rim width and tire size must be compatible. Why? Because the rim width has a direct impact on your tire’s contact patch, which changes how the tire interacts with the road and how your vehicle handles.

How does rim width affect tire width bike?

There is a certain amount of rubber that goes around on that center plane, and putting the tire on a wider rim does not stretch the center section of the tire. Hence, if the cross section of the tire-rim gets bigger and the diameter of the tire stays the same, the extra material has to go to the width. And it does.

Can you fit smaller width tires on same rim?

You can change the size of your tires with the same rims, as long as the tire and rims have the same internal diameter. Tires are flexible, however, so the width and height may be changed.

Can I put 235 tires on 215 rims?

215 and 235 tires are interchangeable if they come with the same tire aspect ratio and the same rim diameter. If the rim diameters don’t match you will have to invest in new wheels in order to mount larger tires onto your car.

What happens if TYRE is too wide for rim?

If a tire that’s too wide for a rim is mounted, the tire shape becomes too tall and round, like a lollipop or lightbulb, and then it becomes floppy at the top because the casing is constricted. This can result in poor cornering performance and tire squirm.

Does tire width depend on the rim?

A wider rim will always make a tire wider at the stays, it doesn’t “depend”. Every 3mm of additional rim width will add about 1mm of casing width. The exact amount varies but for the range of typical tires and rims it holds pretty well. It’s a simple matter of adding circumference to a circle.

Why wider rims are better?

There are a handful of advantages to riding a wider rim, such as better traction, ride quality, rolling resistance, stability, and in some cases weight. Most people overlook this but tires are another part of suspension.

How wide of a tire can I put on a 25mm rim?

25mm wide rims are an ideal standard when you use 2.1-2.3″ tyres.

Can I put 245 tires on 235 rims?

The quick answer is yes you can replace 245/50-18 tyres with 235/50-18 but they will have 10mm (0.4 in) smaller overall diameter. Will only slightly effect speedo and odometer – ie speedo will read about 1.5% high.

Will any 17 inch tire fit any 17 inch rim?

For diameter you’ll need to be sure that your tires and wheels are an exact match, e.g. a 215/65R17 tire will only fit on a 17″ diameter wheel. There’s a bit more flexibility when it comes to wheel widths.

Can you put a 16 inch TYRE on a 15 inch rim?

You cannot place 15-inch tires on 16-inch rims, because the hole in the middle of the tire will be too small to fit around the rim, making it impossible to put on safely. In other words, it literally won’t fit. However, you can replace your 16-inch rims with 15-inch rims in most cases.

How wide of a tire can I fit on a 19mm rim?

As an example you can see that a rim width of 19mm (top row) should be compatible with tire width of 28mm/1.10″ through 62mm or about 2.5″.

How much difference in tire size is acceptable?

3%

When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. Any more than this and you face the risk of brake failure.

Are wide tires better than narrow?

There’s a reason why the majority of cars have wide rather than narrow tires. Overall, wider tires are better for dry surfaces and for high-performance vehicles. Greater surface area allows for better day-to-day traction and durability.

How wide of a tire can I put on a 8 inch rim?

Equivalency table

Rim width Minimum tire width Maximum tire width
7,0 Inches 195 mm 225 mm
7,5 Inches 205 mm 235 mm
8,0 Inches 215 mm 245 mm
8,5 Inches 225 mm 255 mm

How wide of a tire can I put on a 7 inch rim?

usually you should put on 215 or 225 at most on a 7 inch rim.

Can I put 285 tires on 265 rims?

Fortunately, you can change your tires from 265 to either 275 or 285. However, you must keep in mind to change all of your tires to the same size. Moreover, you have to ensure they have the same rim diameter. Otherwise, you should not go for it.

How wide of a tire can I fit on a 19mm rim?

As an example you can see that a rim width of 19mm (top row) should be compatible with tire width of 28mm/1.10″ through 62mm or about 2.5″.

Can you put 25mm tyres on 19mm rims?

Condensed answer: 25mm tires can be installed on tires with a 19mm internal rim width.

What size tyre can I fit on my rim?

Equivalency table

Rim width Minimum tyre width Ideal tyre width
7,0 Inches 195 mm 205 or 215 mm
7,5 Inches 205 mm 215 or 225 mm
8,0 Inches 215 mm 225 or 235 mm
8,5 Inches 225 mm 235 or 245 mm