The hubs aren't the problem.
The frame and wheel design is. How do you plan to get your chain past a 4.8" tyre?
Surly pushed the rear hub 17.5mm more to the drive side to increase chainline.
Also if your rim is 80 - 100mm wide with a fat tyre on it. Pushing a wheel into 100m spaced forks will be tricky.
This is why the new standard is to use extra wide hubs and frame/fork spacing.
Why 4.8"? Is that the Surly tyre size? There are 3" tyres.
Basically I have no idea, I was looking at the Inbred thinking "hmm... I could fit bigger rubber on this" but I don't actually know how much bigger.
4''+ is fat bike 3'' is 29er+
Measure.
I have a semi fat set up on the cargo bike using Unicycle rims and 3" tyres.
There'll be a combo that works.
@hippy started
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The hubs aren't the problem.
The frame and wheel design is. How do you plan to get your chain past a 4.8" tyre?
Surly pushed the rear hub 17.5mm more to the drive side to increase chainline.
Also if your rim is 80 - 100mm wide with a fat tyre on it. Pushing a wheel into 100m spaced forks will be tricky.
This is why the new standard is to use extra wide hubs and frame/fork spacing.