I'm in the process of building my enclosed bike/camping trailer and am looking at wheels and yes I will start a build thread soon, I will have to as I'm at the stage where I'm going to be asking questions .

The trailer is 3m long (plus nose cone) and 2m total width and I'm using a 1400kg rated springs and single axle setup and I'll be using ford steel wheels and light truck tyres.

My question: is there a difference between the load rating etc of 14 and 15" rims or in my case is it close enough not to make a difference? I just remember reading something ages ago about there being a difference.

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