Aste also competed in bobsleigh during the 1950s and 1960s. He earned two medals in the two-man event at the FIBT World Championships with a silver in 1955 and a bronze in 1958. Aste competed in three Winter Olympics for Austria in bobsled, earning his best finish of fifth in the four-man event at Oslo in 1952 (Luge would not become a Winter Olympic sport until the 1964 games in Innsbruck.).