Originally Posted By Zuuk
Originally Posted By BrianLe
I guess it's the bike industry equivalent of measuring a 2 x 4.


Ahh, but a 2x4 actually measures 2x4", even though your tape measure continues to give you a 1½ x 3½" every time!

Dimensions on lumber are based upon their green size. As wood dries, it shrinks, so when manufacturing dry lumber, it's planed to the dry equivalent of what an average wet 2x4 would shrink down to (rounded off a bit).

Makes sense though that the tire used would affect the folded size of the bike. I think it's a pretty nice idea to have one. Would beat throwing my old clunker onto the bike rack hanging off the back of my car. Much easier to just chuck it in the back.


Actually, I think lumber is rough-sawn to the 2x4 dimension. But once you plane it smooth, it obviously shrinks. I've lived in a couple of late 1800's houses that were made of rough-sawn studs. They really were 2x4.

Doesn't have so much to do with moisture content, but the difference between rough and smooth sawn lumber.
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