2018 Orbea Alma M10 MD 27.5
Build
650B/27.5 in × 2.2 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Orbea Alma
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 583mm |
| Reach | 409mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 445mm |
| Top Tube Length, Effective/Horizontal HT Top | 582mm |
| Top Tube Slope | 16.3deg |
| Head Tube Angle | 69.3deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 43mm |
| Bottom Bracket Height | 304.9mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 417.8mm |
| Front-Center | 661.6mm |
| Front-Center Horizontal | 660.2mm |
| Wheelbase | 1078mm |
| Fork Offset/Rake | 44mm |
| Trail | 84.4mm very high |
| Mechanical Trail | 79mm |
| Wheel Flop | 27.9mm |
| Standover Height | 735mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 143.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 134.9mm |
M10 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.2in |
| Tire Outer Diameter | 695.8mm |
| Bike Length with Tires | 1773.8mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 165 cm to 180 cm |
Source:https://www.orbea.com/us-en/support/manuals/obook18-en