Bicycle front-end mechanism for quick assembly

A bicycle front-end mechanism for quick assembly, comprising:

• a fork set comprising a tube member, the tube member having a connection tube part and a fork part, the fork part being connected with a wheel;
• a stem set removably mounted around the tube member of the fork set, the stem set having a stem, a connection member, a positioning member, and a positioning plate, the stem having a first combination bore and a second combination bore, the first combination bore mounted around the connection tube part of the tube member, the positioning member and the positioning plate being disposed in the first combination bore in an coaxial arrangement along a center of the first combination bore by the connection member, the connection tube part having one end engaged with the positioning member, the second combination bore connected with a handle bar;
• and
• a fork bowl set removably mounted around the tube member of the fork set, the fork bowl set having a head tube, an upper bowl, and a lower bowl, the head tube mounted around the connection tube part of the tube member, the upper bowl and the lower bowl disposed on two ends of the head tube, respectively, the upper bowl disposed between the head tube and the stem.