Bastion Gravel 2027 Geometry, Reviews, and Specs

No OEM studio shot for this model yet.

Fit and steering

Aggressive fitSlow steeringFast steeringRelaxed fit

Weight—

Climbing4.0

Aero3.7

Comfort6.0

Size	Stack	Reach	Stack/reach	Stem	Bar	Crank	Head tube angle	Seat tube angle	Chainstay	Wheelbase	BB drop	Wheel size
S	548 mm	376 mm	1.46:1	90 mm	400 mm	170 mm	70.8°	73.5°	426 mm	1026 mm	74 mm	700c
M	568 mm	386 mm	1.47:1	100 mm	420 mm	172.5 mm	71.2°	73.5°	426 mm	1038 mm	74 mm	700c
L	586 mm	396 mm	1.48:1	110 mm	440 mm	175 mm	71.6°	73.0°	426 mm	1050 mm	72 mm	700c
XL	606 mm	406 mm	1.49:1	110 mm	440 mm	175 mm	71.6°	72.5°	428 mm	1066 mm	72 mm	700c

No colorway catalog for 2027 yet.

Same published geometry as 2026.

Published geometry matches the 2026 Bastion Gravel. Same sizes, same stack and reach.

No verified spec sheet for 2027 or 2026.

No launch MSRP in the catalog yet.