What Our Gearhead® Experts Are Saying: "I switched to the Transiro Aeris R1 Adaptive for long triathlon training blocks and was instantly sold. The 3D-printed padding makes a real difference when you're tucked in aero for hours, and the wide nose provides that stable, planted feel without pressure build-up. It’s the most comfortable aggressive-position saddle I’ve ever used."When we're chasing podiums or personal records in full aero tuck, we need a saddle that holds nothing back. The Fizik Transiro Aeris Long Distance R1 Adaptive brings race-day innovation to every training session with a uniquely supportive design built for aerodynamic positions. Its wide nose and long central channel let us stay low without sacrificing comfort, while the Adaptive 3D-printed padding cushions every mile, no matter how long the ride. Fizik’s partnership with Carbon delivers zonally tuned support using Digital Light Synthesis, creating multiple cushioning densities that seamlessly adapt to our riding position. The result is a 60% reduction in peak pressure, letting us stay focused on form and pace. Add in a sleek carbon rail, integrated aerodynamic features, and race-day functionality like a transition hook and optional bottle mount, and this saddle is as performance-minded as we are. Whether tackling full courses or intense time trials, the Aeris LD keeps us locked in and ready to ride.