Your height: 5'9" to 6'1" (172 to 185cm) approximatly (?).
Frame size = 21in/53.5cm
Comments:
2 new tires
City Bikes: They are designed for comfort and daily commuting, to go to work, to school, to go shopping, etc.. Compromise between performance, comfort and sturdiness. Often loaded with useful accessories increasing the weight.
15 speed: perfect to go everywhere including going up very steep hills. There are 3 front chain rings and 5 rear gears. - Derailleur: Shimano SIS
Tires 700 x 38c: meduim width tires with small thread, for comfort on asphalt and occasional off-road.