Cycle Hill. For the occasional tire change. Intended for home use only. Ideal for Dirt Bike, ATV, Harley Davidson, and Vintage wheels. Will work on all wheels however it is not as ergonomic and the standard No-Mar tire changers.
Tire size comparison the easy way. Use our tire size comparison calculator to compare diameter, width, sidewall, circumference and revolutions per mile.
Tire Size Comparisons. If you are contemplating changing the size of your tires or the size of your wheels, but still want the speedometer/odometer to be correct, just enter the size of the tires that were originally on your car and I will give you some options.
Alfa Spider Wheel and Tire Size OEM Wheel 14x6 16x7 Stock tire 185/70-14 205/50-16: Alfa Spider Cont. 16x7 16x7
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Use our tire size calculator to compare tire sizes and see how it affects your speedometer rating. See which tire size is ideal for your vehicle's efficiency.
Verify tire specifications and dimensions of tires by viewing the SPECS page of tires you are interested in. While this chart can't guarantee a specific tire will fit your vehicle, it can give you an idea of the available tire sizes with the same approximate overall diameter.
Sidewall Markings. There is a lot of information on the sidewall of a tire. Typically, you'll find UTQG ratings for treadwear, traction and temperature, the size of the tire, the load rating index number with a speed rating index, the construction type (bias or radial), the D.O.T. (Dept. of Transportation) compliance code, construction details, and of course, the make and model of the tire.
DO NOT BUY TIRES BASED SOLELY ON THE INFORMATION BELOW! This list is provided for entertainment only. No warranty is expressed or implied as to its accuracy.
The traditional sizing systems are based on a measurement of the outside diameter of a tire. This would usually be measured in inches (26", 27", etc.) or millimeters (650, 700, etc.).