4" skinnies with 1 1/2" backspacing

[GaryC]

What backspacing are y'all using? I've read 2" on up. The skinnies I plan on using are 1 1/2" BS. If I go bias ply the tire shouldn't balloon like the radial tire if what I'm reading online is correct. I was informed about the MT Sportsman tires, but not too keen on the roundness of it. I'm thinking this skinny needs a full tread pattern I would think. And I have been looking at a ton of tires for the past week. Anything you guys can point to will be appreciated.