Pedzisa mutsara unotevera: Gustaaf "Guus" Bierings (akaberekwa musi wa 28 Gunyana 1956) mutambi wechiDutch akasiya basa uyo aive achishanda pakati pa1975 na1981. Akanga ari mumwe wemapoka echiDutch akakunda mu
1978 UCI Road World Championships uye vakapedza vari 15th nzvimbo pa 1980 Summer yeOlympic mu chikwata nguva muedzo. Akakundawo chikamu chimwe cheOlympia's Tour muna 1977.