Orbea
/
Alma

2025 Orbea Alma M30

Category
Hardtail Cross-country MTB
Design
Flat Bar, Rigid, suspension corrected
Frame
Carbon/Composite
Features
Disc brake
S
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M
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L
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XL
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Somewhat upright stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

S
M
L
XL
Stack
618.5mm
618.5mm
623.1mm
632.3mm
Reach
405mm
435mm
460mm
485mm
Stack to Reach Ratio
1.53:1
1.42:1
1.35:1
1.3:1
Seat Tube Length, C-T
390mm
410mm
455mm
495mm
Top Tube Length, Effective/Horizontal HT Top
564mm
594mm
620mm
648mm
Top Tube Slope
25.6deg
22.4deg
17.7deg
14.1deg
Head Tube Angle
67deg
67deg
67deg
67deg
Seat Tube Angle
75.5deg
75.5deg
75.5deg
75.5deg
Head Tube Length
100mm
100mm
105mm
115mm
Bottom Bracket Drop
65mm
65mm
65mm
65mm
Bottom Bracket Height
307mm
307mm
307mm
307mm
Chainstay Length
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
420mm
420mm
420mm
420mm
Front-Center
696mm
725.9mm
752.8mm
772.7mm
Front-Center Horizontal
693mm
723mm
750mm
770mm
Wheelbase
1113mm
1143mm
1170mm
1190mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
Fork Length (On-Axis)
520mm
520mm
520mm
520mm
Trail
110.1mm
very high
110.1mm
very high
110.1mm
very high
110.1mm
very high
Mechanical Trail
101.3mm
101.3mm
101.3mm
101.3mm
Wheel Flop
39.6mm
39.6mm
39.6mm
39.6mm
Standover Height
794mm
797mm
811.6mm
829.4mm
Tire to Pedal Spindle
154.1mm
170 mm cranks
184mm
170 mm cranks
210.9mm
170 mm cranks
230.8mm
170 mm cranks
Pedal Spindle to Ground Clearance
137mm
170 mm cranks
137mm
170 mm cranks
137mm
170 mm cranks
137mm
170 mm cranks

M30 Build

S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.4in
2.4in
2.4in
2.4in
Tire Outer Diameter
743.9mm
743.9mm
743.9mm
743.9mm
Bike Length with Tires
1856.9mm
1886.9mm
1913.9mm
1933.9mm

Stack and Reach vs. Category Trend

Reach250mm300mm350mm400mm450mm500mm550mmStack350mm400mm450mm500mm550mm600mm650mmSMLXL
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
Category Trend
Hardtail Cross-country MTB
Source:https://www.orbea.com/ke-en/bicycles/mountain/alma/cat/alma-m30
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