The Spongy Wonder no nose bicycle seat – or hornless bike seat if you like – is used on all types of terrain, including some velodromes and an underwater laboratory used by Canada’s Navy Seals. Different models of the no nose bicycle seat have been around for some time. The prostate friendly/prostate relief Spongy Wonder no nose bicycle seat is a “dual platform or “double cheeker” no nose bicycle seat like the 1897 Deitzler and the 1900 Wright.