[. . . ] [. . . ] With high-quality ALUXX SL aluminum tubing and agile, yet comfortable, geometry, Dash will coax you into riding every day. Key Upgrades (over Dash 1) -- Smooth-shifting Shimano 105, 10-speed drivetrain -- Lightweight Giant Connect SL aluminum stem -- Lightweight Mavic Aksium wheelset frame geometry Actual Frame Size centimeters XS/43. 0 cm S/46. 5 cm M/50. 0 cm L/53. 5 380862 380863 380864 380865 Part Number Head Angle degrees 71. 0 72. 0 72. 5 72. 5 Seat Angle* degrees 74. 5 74. 0 73. 5 73. 0 Toptube** centimeters 53. 0 54. 5 56. 0 57. 5 Headtube centimeters 13. 0 15. 0 17. 0 19. 0 Chainstay centimeters 42. 5 42. 5 42. 5 42. 5 Wheelbase centimeters 100. 9 101. 0 101. 5 102. 5 Standover Height*** inches 29. 2 30. 1 31. 2 32. 1 Specifications and availability subject to change without notice. *Seat angle is actual **Toptube is measured from the center of the headtube horizontally back to the top of the effective extension of the seattube ***Standover height is based on the largest size tire that will fit the bike, not necessarily the included size tire [. . . ] [. . . ]