Free Tire Upgrade Checklist
Going to bigger tires? This free two-page checklist puts the size math, fitment checks, regearing, speedometer fixes and air-down pressures on one printable sheet.
What's inside
- Before you buy: real diameter, speedometer error and the gear ratio that restores stock feel for 33s, 35s and 37s.
- After install: full-lock and full-flex rub checks, lug torque and balancing.
- Speedometer and gearing: when one size is fine and when to plan a regear.
- Page 2: starting trail pressures and the quick formulas behind our calculators.
The full guides behind it
Starting points only: your vehicle and tire maker’s specifications always win.
Follow Off-Road Handbook on Google
Like our off-road guides? Add Off-Road Handbook as a Google Preferred Source so our latest Jeep, ATV, UTV, trail, recovery, and off-road troubleshooting articles can appear more often in your Google Search experience.
Add us as a Preferred Source