Joined: Jun 2013
Posts: 5,949
Likes: 1,375
From: SW Fl.
Bikes: 1999 DAHON Mariner, Day6 Semi Recumbent "FIREBALL", 1981 Custom Touring Paramount, 1983 Road Paramount, 2013 Giant Propel Advanced SL3, 2018 Specialized Red Roubaix Expert mech., 2002 Magna 7sp hybrid, 1976 Bassett Racing 45sp Cruiser
51 way too small IMO and I'm 5' 8". Remember, if you are getting inseam barefoot then shoes add extra clearance.