Table of Contents
What do wheel size numbers mean?
The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.
What does 17×7 mean for rims?
A rim that is 17-by-7.5 has a wheel diameter of 17 inches. This refers to the inside diameter on the tire. When looking for the right tire, you can tell if the tire works by the alphanumeric assigned to the tire. For example, P225/47R17 denotes a popular tire size. The R17 denotes the wheel size of the tire.
How are wheels measured?
Wheel or rim diameter is the distance measured in inches across the face of the wheel, from bead seat to bead seat. It’s measured this way because that’s where the tire and the wheel come together. (PRO TIP: You can find your wheel’s diameter on the back side of the wheel, usually stamped on one of the spokes.).
What does 50r mean on tires?
50 is the two-figure aspect ratio. This percentage compares the tire’s section height with the tire’s section width. For example, this aspect ratio of 50 means that the tire’s section height is 50% of the tire’s section width. R indicates the construction used within the tires casing. R stands for radial construction.
Can I use 60 instead of 55 tires?
Most likely yes. The 55 or 60 in this case is the aspect ratio. It’s how tall the tire is as a percentage of its width. A 60 means the tire’s sidewall height is 60% of the width of the tire.
What does 20×8 wheel mean?
#2 · Feb 8, 2006. The wider width is primarily for the rear only using a wider rear tire. That is called a “staggered setup” with 20×8.
What does JJ mean on a wheel?
Helpful Expert Reply: The “JJ” that you mentioned finding on the wheel size listed for the units mounted to your trailer refer to the contour of the bead seat on the wheel, essentially its shape ( “J” indicates the shape of the letter J).
What’s the biggest tire you can put on a 17×7 rim?
245/45/17 is the biggest one you can fit on 17×7 wheel’s 225/40/18 is the biggest available who fit the SRT-4 hight with 18×7. 5 wheel’s! 225’s are the recommended maximum width on a 17×7, and my roommate has 235/40’s on his 18×7.
What is the diameter of a 26 inch wheel?
The typical 26-inch rim has a diameter of 559 millimetres (22.0 in) and an outside tire diameter of about 26.2 inches (670 mm).
What is the standard rim size?
Wheel diameter is referred to in inches. Diameter of the ‘rim’ in inches (excluding the tyre). Standard road cars generally have wheels that are between 14 inch and 19 inch in diameter. Luxury, sporty cars, SUVs and 4×4 vehicles generally have the bigger size wheels.
How do you read an alloy wheel size?
Typically, the alloy wheel size conforms to the following format: 20 x 8.5J. 4 x 100. 4 is the number of bolt holes, and 100 is the diameter of the PCD in mm. When increasing your car’s wheel rim diameter by 1 inch: increase the tyre section width by 10mm and decrease the tyre aspect ratio by 10 points.
How do I tell what model my rims are?
How to Identify a Wheel Rim Determine the maker by examining the wheel center cap for a logo or company name. Compare the wheel to those sold at online wheel and tire companies, such as Tire Rack, if there are no markings on the wheel. Determine the size of a wheel by inspecting the front and back of it for markings.
What does 5.5 J mean on wheels?
Inner width of wheel in inches (6 ½ x 25.4mm= 152.4mm). J. Indicates the shape of the wheel on the place where the tyre bead sits on the wheel. x. Indicates that the construction of the wheel is one-piece.
What are 6’s and 7’s wheels meaning?
“At sixes and sevens” is an English idiom used to describe a condition of confusion or disarray.
What does 98 mean on a tire?
The 98 says the tire can safely carry — when properly inflated — 1,653 pounds. This code ranges from 60 (551 pounds) to 114 (2,601 pounds). The speed rating (sometimes listed twice — in front of the R and always here) ranges from M (81 mph) to Z (149+ mph).
What does 100h mean on tires?
An H speed rating indicates the tire is approved for speeds up to 130 mph (210 km/h) under optimal conditions. An H speed rating is at the low end, or start of the performance tire speed ratings.
What does 111h mean on tires?
· 3 years ago. 117H is the load and speed rating of the tire. 117 means that tire has a maximum rated load of about 2833 lbs, while the maximum rated load of a 111 is 2403 lbs. On the other the letter is the speed index, a tire with a speed index has a maximum rated speed of 130 mph.
