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What Is The Difference In Wheel Offsets And Bolt Patterns, We Have It Broken Down For You:

Unsure which wheel offset to go with, or concerned with width gain? You’re not alone. Some of the most frequent questions we get when it comes to wheels, is about offsets – did you know that for most machines, wheel offset is a preference, not a requirement? This will help you better understand wheel offsets, and choose the best wheel for your ride.

Since 7” wide wheels dominate the market, our explanation focuses on that size wheel.

Some wheel manufacturers list offsets using the metric system and others list in our American equivalent.

METRIC SYSTEM – TRUE OFFSET

Offsets listed in millimeters refer to the distance between the mounting plate and the centerline of the wheel. This is what we consider “True Offset”. This measurement will be stamped in the back of your wheels as ET (another term used to describe wheel offset).

Common True Offsets: +40mm, +38mm, +30mm, +10mm, +5mm, +0mm, -47mm.

AMERICAN EQUIVALENT – INDUSTRY OFFSET

When wheel offset measurements are listed in our American equivalent, the first number indicates the “backspacing” (the distance from the back bead to the wheel mounting plate) and the second number indicates the distance from the mounting plate to the outer bead of the wheel (also known as the “Industry Offset”).

Common Industry Offsets: 6+1, 5+2, 4+3, and 2+5.

For example, a 5+2 offset means there is 5” from the back/inner bead to the mounting plate, 2” from the mounting plate to the outer bead. Pictured to the right is an illustration of this.

The chart below converts Metric measurements into the closest corresponding American measurement and will help you better understand what each offset will add to your stance over your factory wheels.

NOTE: Width gain is not given in exact measurement. Actual width gain can vary by machine and wheel manufacturer, but generally falls into these ranges:

This chart is based on 7″ wide wheels

4X110MM BOLT PATTERN

• 10MM STUD – YAMAHA RHINO
• 12MM STUD – CF MOTO, HONDA BIG RED 700 AND PIONEER 700/700-4, KYMCO MASSIMO, YAMAHA VIKING, AND WOLVERINE, YAMAHA YXZ1000R (16-18)

4X115MM BOLT PATTERN

• 10MM STUD – ARCTIC CAT WILDCAT / X / TRAIL / 4,  ARCTIC CAT PROWLER 650/700/1000

4X137MM BOLT PATTERN

• 10MM STUD – CAN AM COMMANDER / MAX, CAN AM MAVERICK / MAX, CAN AM DEFENDER / MAX, CAN AM OUTLANDER/RENEGADE, KAWASAKI MULE 500/520/550/600, KAWASAKI MULE 2010/2020/2030
• 12MM STUD – KAWASAKI TERYX 750/800, KAWASAKI TERYX 4, KAWASAKI MULE 2500/2510/2520, KAWASAKI MULE 3000/3010/3020, KAWASAKI MULE 4000/4010, HONDA PIONEER 1000/1000-4, CAN AM MAVERICK X3 (ALL)

4X156MM BOLT PATTERN

• 10MM STUD – POLARIS ACE, RS1, RANGER, AND GENERAL, POLARIS RANGER 400/500/700/800, AND 6X6, POLARIS RZR 570 AND 800/S/4, POLARIS XP 900 2011-2014, POLARIS SPORTSMAN, KAWASAKI KRX, KAWASAKI MULE PRO-SERIES, YAMAHA YXZ1000R 2019, YAMAHA WOLVERINE RMAX, TEXTRON WILDCAT XX, BOBCAT WHEELS
• 12MM STUD – POLARIS POLARIS RZR 1000 (ALL), POALRIS RZR 900 / S / XC 2015+, POLARIS RZR XP TURBO, POLARIS RANGER 900 (ALL), POLARIS RANGER 1000 (ALL), POLARIS GENERAL 1000 (ALL), KAWASAKI MULE PRO (ALL)

5X114 M (5×4.5) BOLT PATTERN

• 12MM STUD – POLARIS PRO R, POLARIS TURBO R, XPEDITION

6X139.7MM (6×5.5) BOLT PATTERN

• 12MM STUD -CAN-AM MAVERICK R

Information About Bolt Patterns:

Most bolt patterns are stated in millimeters and there are 25.4 millimeters in one-inch. So If you measure with a tape measure in inches, you can convert to metric millimeters by multiplying (inches x 25.4), or you can easily find an online converter with a quick Google search.

HOW TO MEASURE BOLT SPACING

• For a 4-bolt wheel: remove your stock wheel and measure diagonally opposing stud bosses (center-to-center). Example spacings: 4/110mm; 4/115mm; 4/137mm; 4/156mm
• For a 5-bolt wheel: remove your stock wheel and measure diagonally opposing stud, bosses (from the back of one boss-to-the-center of the opposing boss). Example spacings: 5/114.3
• For a 3-bolt (ATV) wheel: remove your stock wheel. This one requires you to create a virtual circle (diameter) through the center of all three bosses. The bolt spacing is the distance across the middle of the diameter.