Blackbird Send Wheelset

Intro­duc­ing the Send wheels from Black­bird, a new com­po­nent brand for Ibis Cycles. When Ibis set out to improve their indus­try-lead­ing Ibis alu­minum S35 rims, the mis­sion was sim­ple; elim­i­nate pinch flats and keep the tire sealed no mat­ter what you hit. Pinch flats occur when you hit your wheel hard enough to ​“pinch” the tire between your rim and that rock or root that you didn’t see com­ing. Hit hard enough, and the edge of your rim, the bead wall, will slice clean through that brand-new tire you just installed. To elim­i­nate pinch flats they designed the bead walls with a hol­low box-sec­tion pro­file to remove the sharp edges and cre­ate a broad con­tact point with the tire. This box-sec­tion results in a stronger bead wall that doesn’t slice tire side­walls, and it doesn’t add any addi­tion­al weight. The unique bead wall is used on both the Send 1 and Send 2 rims, but the Send 2 gets a lit­tle some­thing extra. If you ride hard, you know you’re going to dent your al