I did some research before i got the bike, and for a 5 11 guy like me , 54cm frame is what people recommended
Cadent 2.0
Frame: Atomic 13 Aluminum
w/replaceable hanger
Fork: Raleigh Custom Carbon/
Alloy Steer, 50mm offset
Shifter: Shimano Tiagra 9spd
Front Derailleur: Shimano Tiagra
Rear Derailleur: Shimano 105
Cranks: Truvativ Touro 30/42/52t
Bottom Bracket: Truvativ Power Spline
Gear: SRAM PG-950 9spd (12-26t)
Rims: Alex DC-19 w/Ground Sidewall
Brakes: Tektro Dual Pivot
Size
49cm
Small
52cm
SM/MD
54cm
MD/LG
56cm
Large
59cm
XLarge