Blackbird Send 2 29" Rim, 32h, Black

Send 2 rims have reinforcing ribs directly beneath our bead seat adding 45g per rim, still lighter than using tire inserts. The evolution of Ibis' S35 with new box-shaped bead walls . New bead shape creates a broad contact point with the tire to prevent pinch flats . Won't slice tire sidewalls and doesna۪t add any additional weight. 6061 aluminum with minimalist section height of 17mm. 5mm spoke offset. 40psi maximum. Backed by a seven year warranty