Tire size calculator !!
Tire Size Calculator - Tire & Wheel Plus Sizing
Tire Size Calculator
Custom rims, wheel tire packages for your ride - RIMSnTIRES.com. This site shows the difference between two sizes!
Tire size calculator that compares 2 different tire sizes and includes a visual aid.
Tire Marking Guide
Very helpful Tyre size calculator.
Alternate tire size calculator - wider tires with the same outside diameter, so ride height and gearing are not affected and are the same as the original equipment tires. Addition4Palm on Sony Clie TH55. Palm OS.