Team HR, and Alero ~ Size Seat tube Top tube Seat angle Heat tube X-small 48 51.5 75.5 12 small 51.5 52 75.3 13.5 medium 53.2 54.5 73.8 14.5 large 54.5 55.2 74.2 15.5 X-large 56 57 73 17.5   Cartesio ~ Size Seat tube Top tube Seat angle small 48 51.4 74 medium 52 54.0 74 large 55 55.0 73 X-large 58 56.9 73   Whisper, Eureka, G45, G55, Echelon, Hero ~ Size Top tube Seat angle Set back Head angle 47 50.5 74.3 12.5 71.3 48 51.0 74.3 12.5 72 49 51.5 74.3 13.1 72 50 52.0 74.3 13.5 72.3 51 52.5 74.1 13.8 72.3 52 53.5 74 14.3 72.3 53 54.0 74 14.7 73 54 54.5 73.4 15.1 73 55 55.0 73.4 15.4 73.3 56 56.0 73.3 15.8 73,3 57 56.5 73.3 16.3 74 58 57.0 73.1 16.8 74 59 57.5 73 17.2 74 60 58.0 73 17.6 74.1 61 58.3 73 17.8 74.3 62 59.0 73 18.2 74.3   X-Crow and Atos Cross ~ Size Seat tube Top tube Seat angle   small 48 52 74 13.5 medium 51.5 53.5 74 14.5 large 53.2 54.5 74.8 15.5 X-large 54.5 56.5 73 17.5 XX-large 56 58 73 20