2024 Rocky Mountain Altitude A30 POS.1 Slack

	MD	LG	XL
Stack	630mm	639mm	653mm
Reach	450mm	475mm	505mm
Stack to Reach Ratio	1.4:1	1.35:1	1.29:1
Seat Tube Length, C-T	410mm	440mm	470mm
Top Tube Length, Effective/Horizontal HT Top	584mm	610mm	642mm
Head Tube Angle	63deg	63deg	63deg
Seat Tube Angle, Unknown	77deg	77deg	77deg
Head Tube Length	105mm	115mm	130mm
Bottom Bracket Drop	38mm	38mm	38mm
Bottom Bracket Height	336.5mm	336.5mm	336.5mm
Chainstay Length Horizontal	440mm	450mm	450mm
Front-Center	804.9mm	833.9mm	869.8mm
Front-Center Horizontal	804mm	833mm	869mm
Wheelbase	1244mm	1283mm	1319mm
Fork Offset/Rake	44mm	44mm	44mm
Trail	141.4mm very high	141.4mm very high	141.4mm very high
Mechanical Trail	126mm	126mm	126mm
Wheel Flop	57.2mm	57.2mm	57.2mm
Standover Height	792mm	798mm	809mm
Tire to Pedal Spindle	260.4mm 170 mm cranks	289.4mm 170 mm cranks	325.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	166.5mm 170 mm cranks	166.5mm 170 mm cranks	166.5mm 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/products/altitude-a30-25?variant=44400753475819