2024 Rocky Mountain Altitude A30 POS.1 Slack

Design
Flat Bar, Full suspension
Frame
Aluminum
Fork
Aluminum
Suspension
170mm fork travel, 160mm rear travel, 30% sag
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

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

A30 POS.1 Slack Build

MD
LG
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.5in
2.5in
2.5in
Tire Outer Diameter
749mm
749mm
749mm
Bike Length with Tires
1993mm
2032mm
2068mm
Crank Length
170mm
170mm
170mm
Handlebar Width
780mm
780mm
780mm
Stem Length
40mm
40mm
40mm

Published Sizing Recommendations

Height
5 ft 4 in
to
5 ft 10 in
5 ft 8 in
to
6 ft 2 in
6 ft 0 in
to
6 ft 6 in

Stack and Reach vs. Category Trend

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.

Learn more about the Upright/Aggressive Scale
Source:https://bikes.com/products/altitude-a30-25?variant=44400753475819