How Can Offset be Determined for Trailer Tires on a Trailer
Question:
Tires are: 205/75/14 I’ll have to measure wheel widths later. Correct that measurement is from inner fender to outer surface of hub. So there’s 5 3/4” clearance from minder fender and mounting surface on hub.
asked by: Kevin
Expert Reply:
I do have a solution for you but we don't recommend using a spacer as that will cause your wheel to sit at a different location on your lugs.
The offset of a wheel can be determined by measuring from the mounting surface of the wheel (where it mounts to your hub) to the inside and outside beads once the wheel has been removed from your trailer. The difference of these measurements tells you what your offset is. Most trailer tires have an offset of zero but if your wheel has a negative offset then that means it moves the tire closer to your frame which would be why you are experiencing contact.
The Dexstar Steel Modular Trailer Wheel # AM20363 that you referenced does have an offset of zero so if yours is negative this wheel will cause your tires to have more clearance away from the frame.
If your current wheel has an offset of zero then you will want to use a wheel with a positive offset like the Dexstar Conventional Steel Wheel which comes in Black # AM20304 and White # AM20334. These have an offset of positive 1/2".
Attached are some review videos and a photo showing where the bead seats are located on a wheel.
Products Referenced in This Question
Dexstar Conventional Steel Wheel with Offset - 14" x 5-1/2" Rim - 5 on 4-1/2 - Black
- Trailer Tires and Wheels
- Wheel Only
- 14 Inch
- 5 on 4-1/2 Inch
- Steel Wheels - Powder Coat
- Dexstar
more information >
Dexstar Conventional Steel Wheel with Offset - 14" x 5-1/2" Rim - 5 on 4-1/2 - White
- Trailer Tires and Wheels
- Wheel Only
- 14 Inch
- 5 on 4-1/2 Inch
- Steel Wheels - Powder Coat
- Dexstar
more information >
Product Page this Question was Asked From
Dexstar Steel Mini Mod Trailer Wheel - 14" x 5-1/2" Rim - 5 on 4-1/2 - Silver Powder Coat
- Trailer Tires and Wheels
- Wheel Only
- 14 Inch
- 5 on 4-1/2 Inch
- Steel Wheels - Powder Coat
- Dexstar
more information >
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on Trailer Tires and Wheels
Kevin
11/8/2018
It looks like next to impossible to get an accurate measurement...no way it seems to measure with a tire mounted on wheel. Can I determine offset measuring the clearance between trailer inner fender/frame and the hub mounting surface. This is turning into me chasing my tail trying to figure out how to get wheels that will now fit the new hubs I just put on.