Tire and wheel fitment
How to Determine Load Capacity Requirements for Replacement Tires
How to read load index, load range, size and pressure markings, and how to check that a replacement tire carries at least the load your vehicle requires.
Run-Flat Tire Rim Requirements: Checking Wheel Compatibility
How to read run-flat tire sidewall numbers and wheel markings such as H2, EH2 and EH2+, check rim width and hump profile, and understand size calculations and their limits.
Volkswagen ID.4 Square Tire Setup: Reading the Sidewall and Checking Fitment
How to read ID.4 tire sidewall markings, compare factory staggered sizes with a square setup using simple diameter calculations, and check rim width, offset and load capacity before fitting.
Square vs Staggered Tire Setups: What They Mean and How They Differ
Learn how to read tire sidewall numbers, what square and staggered setups mean, how front and rear tire sizes compare, and how staggered tires affect handling.
TPMS Sensor and Wheel Compatibility: How to Check Fitment
How to check TPMS sensor and wheel compatibility, from reading tire sidewall numbers to valve hole diameter, clamp-in vs snap-in stems, rim profile, sensor clearance, frequency and protocol.
How to Read Wheel Load Capacity Markings: Tire Load Index, Rim Stamps and Size Numbers
How to read tire load index numbers, max load text and rim load rating stamps in kilograms and pounds, and how size codes change tire diameter and circumference.
Tesla Model Y Performance Square Tire Setup: Reading the Sidewall and Checking Fitment
How to read tire sidewall markings, calculate sidewall height, diameter and circumference, and check wheel offset, brake clearance and load rating before a square tire setup on a Tesla Model Y Performance.
Converting a Staggered Wheel and Tire Setup to a Square Setup
How to convert a staggered wheel and tire setup to a square one: reading sidewall and wheel markings, calculating rolling diameter, and checking width, offset, load and clearance.
Passenger vs Light-Truck Tires: Comparing Load Capacity When Replacing Tires
How to read P-metric and LT-metric sidewall numbers, compare load index and load range, apply passenger-tire derating, and check size geometry when replacing tires.
Dual Tire Diameter Matching: Reading Sidewall Numbers and Tread Depth Differences
How to read the sidewall numbers that matter for dual tires, calculate overall diameter and circumference, convert tread depth differences into diameter mismatch, and measure dual tires against common matching tolerances.