Stiffest, strong aluminium rims around with excellent finish for the price point.
H Plus Son say:
"At 470 grams, this rim has proven to be light yet not sacrificing strength, stiffness, and stability. The well accepted 23mm wide profile mimics a tubular tire, where the advantage can be felt immediately while taking corners as the tyre is no longer shaped as a light bulb, flopping over with high load. Our impeccable H Plus Son workmanship and our invisible welded rim joint comes standard with each rim."
The rims are suitable for rim brakes but finished with the same coloured braking surface so you could use them on a fixed or disk-brake wheel and still look good. If you do use them the sidewall will quickly wear down and lose the anodising colour around the braking area.