Size (in) Top Tube Length (in/cm) Head Tube Length (in/cm) Head TubeAngle Seat Tube Angle Chainstay Length (in/cm) Wheel base (in/cm) Standover Height (in/cm) BB Drop (in/cm) Fork Rake (in/cm) Frame Weight g (lbs) Wheel Size xlm 15.00 22.2/56.4 4.2 / 10.7 71.0 73.5 16.8 / 42.5 40.8/103.7 27.9 / 70.8 1.4/3.6 1.5/3.8 1120(2.7) 26" 16.25 22.8/57.9 4.4 / 11.2 71.0 73.5 16.8 / 42.5 41.5/105.3 28.9 / 73.3 1.3/3.3 1.5/3.8 1278(2.8)   17.50 23.4/59.4 4.7 / 11.9 71.0 73.0 16.8 / 42.5 41.9/106.5 29.8 / 75.8 1.2/3.0 1.5/3.8 1310(2.9)   18.75 24.0/61.0 5.4 / 13.7 71.0 72.5 16.8 / 42.5 42.4/107.6 30.9 / 78.5 1.2/3.0 1.5/3.8 1410(3.1)   20.00 24.7/62.7 6.4 / 16.3 71.5 72.5 16.8 / 42.5 42.9/109.0 32.1 / 81.5 1.2/3.0 1.5/3.8 1453(3.2)