tire number meaning

265. This number indicates that your tire has a width of 265 millimeters. 70. This number means that your tire has an aspect ratio of 70%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 70% of the width.

Can I use 245 tires instead of 235?

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.

Which tire is wider 45 or 50?

got that 1 wrong, the 45 and 50 is a percentage of the width, so the difference between 45 and 50 profiles is 5% of the width.

What size tire is 255 70R17?

255/70R17 tires are 31.1″ tall, have a section width of 10.0″, and fit wheels with a diameter of 17. The circumference is 97.5″ that translates into 650 revolutions per mile. As a rule, they can be mounted on the wheels with 17″ x 6.5-8.5″ rim width.

What does R17 on a tire mean?

After the letter R, a number that indicates the wheel size where it fits. So for the example, P225/45R17 91V, R17 means the tire is made of radial-ply construction and that it fits a 17-inch rim. It’s a common knowledge for car owners that tires only fit a wheel that has an identical inner diameter with it.

What does 70R17 mean?

How to read your tire size long description. An arrow points to the numbers 265/70R17 115T on the inner part of the tire sidewall. 265 is the width, 70 is the aspect ratio, R stands for radial, 17 is the wheel diameter and 115T is the load index and speed symbol.

Which tire is wider a 40 or 45?

So on a set of tires that are 215mm wide, a /40 profile tire would have an 86mm tall sidewall, and a /45 profile tire would have a 96.75mm sidewall. So that’s about a quarter inch of difference between the two, which as stated isn’t going to be very visible.

Which tire is wider a 70 or 60?

The series is a % of the sidewall compaired to the width. A 70 series tire sidewall height is 70 % of the tires tread width, a 60 series tire has a sidewall hight of 60% of the tires tread width.

What is the difference between 50 and 55 on tires?

The 225 is the width of the tread, in mm. The 50 (or 55) is the height of the sidewall, as a percentage of the width. That’s your aspect ratio. With a 55 aspect ratio, and a 225 treadwidth, you’ll end up with a tire that is 3/4 of an inch taller that the 225/50.

How tall is a 295 70R17 tire?

295/70R17 tires are 33.3″ tall, have a section width of 11.6″, and fit wheels with a diameter of 17. The circumference is 104.4″ that translates into 607 revolutions per mile. As a rule, they can be mounted on the wheels with 17″ x 7.5-10″ rim width.

How tall is a 255 85 r17?

255/85R17 tires are 34.1″ tall, have a section width of 10.0″, and fit wheels with a diameter of 17. The circumference is 107.0″ that translates into 592 revolutions per mile.

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