PRO TSA 1.1 Saddle 132mmThe PRO TSA TT Tri 1. 1 Saddle is a short length triathlon and time trial saddle designed to facilitate an aerodynamic position on the bike. It features a carbon reinforced base with carbon rails and EVA padding. Triathletes and time trial riders typically require a forward, aerodynamic, position on the saddle. The PRO TSA 1. 1 TT Tri Saddle facilitates this position. It has a short length, carbon reinforced base, which is set on carbon rails and