Chapter2 AO 2025 Geometry, Reviews, and Specs

Fit and steering

Aggressive fitSlow steeringFast steeringRelaxed fit

Weight—

Climbing5.0

Aero3.3

Comfort5.0

Size	Stack	Reach	Stack/reach	Stem	Bar	Crank	Head tube angle	Seat tube angle	Chainstay	Wheelbase	BB drop	Wheel size
XS	536 mm	376 mm	1.43:1	80 mm	380 mm	165 mm	70.5°	74.0°	425 mm	1018 mm	76 mm	700c
S	554 mm	384 mm	1.44:1	90 mm	400 mm	170 mm	71.0°	73.5°	425 mm	1028 mm	76 mm	700c
M	572 mm	392 mm	1.46:1	100 mm	420 mm	172.5 mm	71.5°	73.5°	425 mm	1038 mm	74 mm	700c
L	590 mm	400 mm	1.48:1	110 mm	440 mm	175 mm	72.0°	73.0°	425 mm	1050 mm	74 mm	700c
XL	608 mm	408 mm

No colorway catalog for 2025 yet.

Same published geometry as 2024.

Published geometry matches the 2024 Chapter2 AO. Same sizes, same stack and reach.

No verified spec sheet for 2025 or 2024.

... AO will suit all your off the beaten track requirements. chapter2 ao gravel bike review. Designed to accept both 650B and 700C wheels, the AO ...

No launch MSRP in the catalog yet.