Orbea Alma M20 Mountain Bike 2026 - Hardtail MTB

Performance Made Simple
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Orbea Alma Carbon, Boost 12x148, Internal cable routing. |
| Fork | Fox 34 Float SL Performance 110, Grip, Remote Push to Lock, QR15x110 |
| Headset | Alloy 1-1/2", Black Oxidated Bearing |
| Stem | OC Mountain Performance MP21, -6º |
| Bars | OC Mountain Performance MP30, Width 760 |
| Front Brake | Shimano M6100 Hydraulic Disc |
| Rear Brake | Shimano M6100 Hydraulic Disc |
| Rear Mech | Shimano XT M8100 SGS Shadow Plus |
| Shifters | Shimano XT M8100 I-Spec EV |
| Speed | 12 |
| Rims | OQUO Mountain Performance MP28PRO |
| Front Tyre | Pirelli Scorpion Sport XC H 2.40" 60TPI ProWall/TLR |
| Rear Tyre | Pirelli Scorpion Sport XC H 2.40" 60TPI ProWall/TLR |
| Seat Post | OC Mountain Performance DP-MP10, 31.6mm, Dropper |
| Saddle | Prologo Akero RS steel rails |
| Chainset | Shimano XT M8120 34t |
| Chain | Shimano M7100 |
| Cassette | Shimano CS-M7100 10-51t 12-Speed |
| Pedals | Resin Platform |
Alma Sizing
See the table below to find the right size Orbea Alma.
|
Height (cm) |
Height (in) |
Size |
|
155 – 170 |
5’ 1” – 5’ 7” |
S – 27.5” |
|
155 – 170 |
5’ 1” – 5’ 7” |
S – 29 |
|
165 – 180 |
5’ 5” – 5’ 11” |
M – 27.5” |
|
165 – 180 |
5’ 5” – 5’ 11” |
M –29 |
|
178 – 190 |
5’ 10” – 6’ 3” |
L –29 |
|
185 - 198 |
6’ 1” – 6’ 6” |
XL - 29 |
Read our bike size guide for more information on sizing.
Alma Geometry
|
|
S - 27.5 |
S - 29 |
M - 27.5 |
M - 29 |
L - 29 |
XL - 29 |
|
Seat Tube |
400 |
400 |
445 |
445 |
483 |
533 |
|
Top Tube (EFF) |
550 |
557 |
582 |
588 |
616 |
640 |
|
Head Tube |
95 |
90 |
105 |
95 |
105 |
120 |
|
Chain Stay |
420 |
430 |
420 |
430 |
430 |
430 |
|
BB Height |
312 |
309 |
312 |
309 |
309 |
309 |
|
BB Drop |
43 |
61 |
43 |
61 |
61 |
61 |
|
Wheelbase |
1045 |
1061 |
1078 |
1092 |
1121 |
1146 |
|
Head Angle |
69.3 |
69.5 |
69.3 |
69.5 |
69.5 |
69.5 |
|
Seat Angle |
73.5 |
|||||
|
Standover |
716 |
715 |
735 |
735 |
741 |
802 |
|
Reach |
380 |
380 |
409 |
409 |
435 |
455 |
|
Stack |
573 |
597 |
583 |
602 |
611 |
625 |
|
Fork Length |
487.7 |
500.8 |
487.7 |
500.8 |
500.8 |
500.8 |
|
Rake |
44 |
|||||
Read our Mountain Bike Geometry Explained guide for more information on MTB geometry.
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Orbea Alma M20 Mountain Bike 2026 - Hardtail MTB
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