Guides
- Does wheel weight matter?
How much lighter wheels and tires really change acceleration, braking, ride and handling, with the physics in plain English and real numbers from the database. - How to weigh wheels and tires accurately
Three ways to weigh a wheel or tire at home, how accurate each one is, and what to include so your number can be compared with others. - Wheel size, offset and bolt patterns explained
What 18×9.5 ET35 5×114.3 means, how offset and backspacing work, and how to check a wheel will fit before you buy.