Fizik Tritone Tri Saddle. Fizik's Tritone Triathlon saddle is designed for aero positioning and performance...period. A welded microfiber cover is tough and supple to keep you in that aggressive performance all race long plus the K:ium rails are both plenty light and stiff. Additionally, this saddle features Fizik's Carriage Kit: a mount to accept 2 water bottle cages, CO2 cartridge and inflator, plus tube none included. The Carriage Kit is also removable if accommodating those items at the rear of the saddle isn't needed.