Originally Posted by
sstorkel
It's also considerably wider than the Deep V (24mm vs 19mm for a 700c rim), which will limit your tire choices... It's a great rim for a touring bike, but if you own a road bike with limited tire clearance the Dyad might be a problem. IIRC, 700x28 is the smallest tire you can squeeze onto a Dyad; ideally I think you'd want a 700x30 or 700x32. On many road bikes, 700x28 is the size where you start to have problems squeezing the tire past the brake pads.
If you want a wider rim for a road bike, I can recommend the
Velocity Synergy especially the version with
off-center drilling. They're a hair narrower than the Dyad, which means you can shoe-horn a 700x25 tire onto them. The off-center drilling means that spoke tension is
significantly more even across the drive and non-drive (or disc and non-disc) side spokes. IMO, this will lead to increased longevity. I used the Synergy OC when I build wheels for my touring bike and have been very happy with them so far.
But the trend is to put 23mm tires on 23mm wide rims - see the Velocity A23 and Hed aluminum rims. The Synergy's could be used down to 23 mm, although at 255 lbs the OP would have to have those tires at really high PSI with a rough ride.