Fizik Transiro Aeris Long Distance R5 Saddle - Alloy 135mm BlackFizik Transiro Aeris Long Distance R5 Saddle Alloy 135mm Black. The Transiro Aeris Long Distance R5 is a long distance triathlon racing saddle engineered with a split nose design to provide maximum comfort and pressure relief when in the aero time trial pedaling position. Aeris: Triathlon saddle designed to provide support and stability while in the aerodynamic time trial position R5: Combination of a ride compliant carbon reinforced nylon shell and