Sizing chart measurements for 18" and 20" Frame

A) Effective top tube length - 595mm (18") and 600mm (20")

B) Head tube - 165mm (All frame sizes)

C) Seat tube length - 457mm (18") and 508mm (20")

D) Wheel base - 1149.40mm (All frame sizes)

E) Seat tube angle (Degrees) - 73 (All frame sizes)

F) Headset angle (Degrees)- 68 (All frame sizes)