How to Choose Wheels and Tires That Actually Fit

Choosing wheels and tires isn’t just about looks — it’s about making sure everything works together. The wrong setup can lead to rubbing, poor ride quality, and wasted money. The right setup gives you the exact stance, performance, and clearance you want.

The 4 Things That Control Fitment

Every proper setup comes down to these four key pieces working together:

• Wheel Diameter
• Wheel Width
• Wheel Offset
• Tire Size

Change any one of these, and your fitment changes.

1. Wheel Diameter

This is the size of the wheel in inches (17", 18", 20", etc.).

• Smaller wheels = more tire sidewall (better ride)
• Larger wheels = thinner sidewall (more street look)

Most trucks run:

• 17–18" for off-road setups
• 20" for balanced builds
• 22"+ for street/show builds

2. Wheel Width

Wheel width (typically 8.5"–12") affects how wide your tire sits and how aggressive your stance looks.

• Wider wheels = more aggressive look
• Narrower wheels = better for daily driving

Common setups:

• 9" wide = safe, balanced
• 10" wide = aggressive but manageable
• 12" wide = very aggressive stance

3. Wheel Offset (Most Important)

Offset determines how far your wheels sit in or out.

• Positive offset: tucked
• Zero offset: flush
• Negative offset: aggressive / poke

Lower offset = more aggressive, but higher chance of rubbing.

4. Tire Size

Tire size is usually written like: 275/55R20 or 35x12.50R20

• First number = width
• Second number = height ratio (or total height in flotation)
• Last number = wheel size

How These Work Together

Fitment is NOT about one number — it’s about the combination.

This is why two trucks can run the “same size” but look completely different.

What Causes Rubbing?

Rubbing happens when your tire hits part of your truck during turning or suspension movement.

• Large tire size (35s, 37s)
• Low or negative offset
• Wide tires (12.5")
• No lift or leveling kit

Basic Setup Examples

Simple Daily Driver

• Wheel: 20x9
• Offset: +18 to 0
• Tire: 33"
• Suspension: Stock or level

Balanced Aggressive Setup

• Wheel: 20x10
• Offset: -12
• Tire: 33"–35"
• Suspension: Level or small lift

Full Build

• Wheel: 20x10 or 22x12
• Offset: -18 to -44
• Tire: 35"–37"
• Suspension: Lift kit

Biggest Mistakes to Avoid

• Choosing wheels before understanding offset
• Running wide tires on aggressive offset with no lift
• Ignoring fitment when chasing looks
• Copying setups without matching suspension

The Easiest Way to Get It Right

The best way to avoid guesswork is to use tools that match your vehicle with proven setups.

Instead of guessing, you can:

• Select your vehicle
• See what fits
• Build your setup step-by-step

Final Thoughts

Wheels and tires should never be chosen separately — they’re part of one system.

When diameter, width, offset, and tire size all work together, you get:

• No rubbing
• Better ride quality
• The exact stance you want