2024 Rocky Mountain Altitude A30 POS.4 Steep

	MD	LG	XL
Stack	630mm	639mm	653mm
Reach	458mm	483mm	513mm
Stack to Reach Ratio	1.38:1	1.32:1	1.27:1
Seat Tube Length, C-T	410mm	440mm	470mm
Top Tube Length, Effective/Horizontal HT Top	584mm	610mm	642mm
Head Tube Angle	63.8deg	63.8deg	63.8deg
Seat Tube Angle, Unknown	77.8deg	77.8deg	77.8deg
Head Tube Length	105mm	115mm	130mm
Bottom Bracket Drop	27mm	27mm	27mm
Bottom Bracket Height	347.5mm	347.5mm	347.5mm
Chainstay Length Horizontal	440mm	450mm	450mm
Front-Center	802.5mm	832.4mm	869.4mm
Front-Center Horizontal	802mm	832mm	869mm
Wheelbase	1242mm	1282mm	1319mm
Fork Offset/Rake	44mm	44mm	44mm
Trail	135.2mm very high	135.2mm very high	135.2mm very high
Mechanical Trail	121.3mm	121.3mm	121.3mm
Wheel Flop	53.6mm	53.6mm	53.6mm
Standover Height	798mm	806mm	817mm
Tire to Pedal Spindle	258mm 170 mm cranks	287.9mm 170 mm cranks	324.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	177.5mm 170 mm cranks	177.5mm 170 mm cranks	177.5mm 170 mm cranks

Published Sizing Recommendations

Height

5 ft 4 in

5 ft 10 in

5 ft 8 in

6 ft 2 in

6 ft 0 in

6 ft 6 in

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://bikes.com/en-ca/products/altitude-a50-24?srsltid=AfmBOoqGZjAz1q9zQAoQ9kdOVADH18BPhdLvrUyW_icWb1rVHPpV9J5J&variant=44400753574123