Facts: - sport: motor-paced racing - caption: piet de wit in 1973 - birth date: 6 march 1946 - image size: 200px - image: piet de wit 1973.jpg - birth place: wormer , the netherlands Based on these bullet points, write a short biography describing the life of piet de wit .
Answer:
piet de wit -lrb- born 6 march 1946 -rrb- is a retired cyclist from the netherlands who won the amateur uci motor-paced world championships in 1966 and 1967 .he then moved into the professionals category and won another three medals in 1968 , 1970 and 1973 .he was raised with three sisters in a biking family -- his parents worked for a bicycle company .after retiring from active competitions in 1974 , he established a family-run bicycle shop in his native wormer , which later expanded into a chain in north holland .in 1994 he passed the shop management to his business partner martin slagt .