Altamont – Bomb proof all around alloy rim. Like a cheese burger and beer, hand crafted alloy Altamonts are always good. Our 30mm alloy rim is deep enough to provide significant aero advantage, wide enough to properly seat 28mm tires and light enough to still be snappy and responsive. Welded and ground seams provides exceptional braking performance. Extra deep anodization hardens and strengthens the rim. The Altamont rim has an ERD of 580mm, and no spoke offset.