Zipp Speed Weaponry 404 Firecrest Carbon Rim - 700, Rim Brake, Matte Carbon, 18H, FrontZipps 404 Firecrest Carbon Tubeless rims are a go to speed weapon for any situation. The aero and crosswind stable 58mm rim depth is ideal for road races, time trial and triathlon, gran fondos, and endless training over all types of terrain. Features Zipps ABLC Sawtooth Technology using a complex dimpling pattern to improve aero efficiency New Zipp graphics and cosmetic identity that scream speed Includes rim kit decals, nipple washers, tubeless tape,