Giant AC - Sizing

Pag. -4-
2. Sizing.
The actual frame measurements and geometries are listed below.
Size S - 17” M - 18” L - 19”
A. Top tube [mm.] (measured horizontally) 565 585 605
B. Seat tube [mm.] 430 455 480
C. Effective seat tube angle (*1) 71.6 degrees
D. Head tube angle 69 degrees
E. B.B. drop [mm.] -14.8
F. Chain stays [mm.] 430
Center B.B. axle - center front wheel [mm.] 631 652 673
G. Fork rake [mm.] 43
H. Trail [mm.] 88
I. Wheel base [mm.] 1060 1080 1100
Front wheel travel (AC bikes) 90~130 mm.
Rear wheel travel 5.3~6.6” or 135~165 mm.
(*1) Effective seat tube angle:
Angle of centerline bottom bracket - saddle
(top of saddle 20cm above top seat tube, measured along the seatpost).
Figure 1.