Wheel Offset: Distance between wheel mounting surface where bolted to hub of drum and centerline of rim. Determines vehicles “track” or distance between tires on each axle. Keep the wheel offsets as close to original as possible to avoid steering difficulties or wheel bearing fatigue.
Spacing: The first number is the inside spacing (from the back of the rim to the the hub) the second number is the front spacing (from the front of the rim to the the hub). So this would be a 7" wide rim, with 5" from the back of the rim to the hub and 2" from the front of the rim to the hub. If you buy an 8" wide rim this number would most likely change to 5/3 or 5+3 If you wanted WIDE or SRA rims, then the numbers would be roughly reversed, like 3/5 or 3+5 etc... Some 7" wheels might have the offest of 4/3 o 4+3. Instead of 5/2. this is going to make your wheels stick out 1" farther, but should still work fine in the application's of IRS machines without sticking way out from under the fender, or being to wide on trails.
The easiest way to measure backspace is to lay the wheel face down onto the ground so the backside of the wheel is facing up. Take a straight edge and lay it diagonally across the inboard flange of the wheel. Take a tape measure and measure the distance from where the straight edge contacts the inboard flange to the hub mounting pad of the wheel. This measurement is backspace. The photo below shows three wheels with 2",3", & 4" backspace.
Hey i got a 08 brute 750 i have 28'' maxxis zillas and i mounted them onto my OEM rims when i turn they rub a little bit and some times the back one rubs on the gas tank guard. instead of buying wheel spacers i heard if i buy a aftermarket rim with a certain offset this will eliminate the problem? if so what offset do i get?
Check out the pics in this post for a comparison of 5+2 AND 2+5 offset wheels on the brute. The 2+5 (wide stance) do still scrub slightly with 29.5 laws at full lock, but after following the howto remold the inner fenders, it doesn't scrub.
Here's a pic of my 05 750 with 8" x 14" ITP wheels 26 x 9 front/26 x 11 rear Bounty Hunter tires - since they're 8" rims,I believe these would be a 2 + 6 backspacing.
All 14x6" wheels should be the same width, 6". That's why they're 6" wide. If it were narrower it would be say 5.5" or if it were wider it would commonly be 7" wide.
They won't be too narrow. What you have to worry about is getting the wheels too wide. If the rim is too wide, it will stick out past the edge of the tire. Making the bead hit every rut first before the tire hits it. Constant leaks at the bead. Get no wider than 7" rims or you'll have issues. A 6" rim will be fine.
These are 12X7, have a 2+5 offset, and say they are 2.5" wider per corner.. 5" wider track all around.
How much extra stress would these put on the wheel bearings??
These are 12X7, have a 2+5 offset, and say they are 2.5" wider per corner.. 5" wider track all around.
How much extra stress would these put on the wheel bearings??
2+5 are for SRAs not IRSs. They would play hell with bearings,ball joints and knuckles. If you have an IRS, you want the first number higher or the same as the second number. Look for 5+2,4+3,4+2, 5+3 or 4+4, 3.5+3.5.
2" Highlifter Signature series lift
30x9x14 Zillas on the front
30x11x14 Zillas on the back
My question is, do I need to take any particular offset rules into consideration for my 4 wheeler? I have read somewhere that the different suspension setups will require different offsets and backspacing. The rims I chose are
14x7 with a 4+3 for the front
14x8 with a 2+6 for the back.
Will I have any issues running this set up aside from minor trimming of the plastics?
Rule-of-thumb for all IRS. The first number of any offset must be larger or equal to the second number to avoid bearing and knuckle problems. Your choice for the front is fine but not the rear. Leave them the same or go with 5+3 or 4+4.
Anyone know what back spacing I should run on my rancher 350? A 2006 model going to run 27x10x14 on all 4
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