Rocky Mountain Instinct 2026 Geometry, Reviews, and Specs

Fit and steering

Aggressive fitSlow steeringFast steeringRelaxed fit

Weight—

Climbing10.0

Aero0.0

Comfort0.0

Size	Stack	Reach	Stack/reach	Stem	Bar	Crank	Dropper	Head tube angle	Seat tube angle	Chainstay	Wheelbase	BB drop	Wheel size
S	612 mm	432 mm	1.42:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1188 mm	33 mm	29"
M	622 mm	457 mm	1.36:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1215 mm	33 mm	29"
L	632 mm	482 mm	1.31:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1242 mm	33 mm	29"
XL	646 mm	507 mm	1.27:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1272 mm

No colorway catalog for 2026 yet.

Same published geometry as 2025.

Published geometry matches the 2025 Rocky Mountain Instinct. Same sizes, same stack and reach.

No verified spec sheet for 2026 or 2025.

No launch MSRP in the catalog yet.

Rocky Mountain Instinct 2026 Geometry Chart

Size	Stack	Reach	Stack/reach	Stem	Bar	Crank	Dropper	Head tube angle	Seat tube angle	Chainstay	Wheelbase	BB drop	Wheel size
S	612 mm	432 mm	1.42:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1188 mm	33 mm	29"
M	622 mm	457 mm	1.36:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1215 mm	33 mm	29"
L	632 mm	482 mm	1.31:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1242 mm	33 mm	29"
XL	646 mm	507 mm	1.27:1	50 mm	800 mm	175 mm	170 mm	65.5°	76.5°	433 mm	1272 mm