2018 Orbea Alma M10 SM 27.5
Build
650B/27.5 in × 2.2 in
Insights
Average 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 | 573mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal HT Top | 550mm |
| Top Tube Slope | 21deg |
| Head Tube Angle | 69.3deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 43mm |
| Bottom Bracket Height | 304.9mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 417.8mm |
| Front-Center | 628.7mm |
| Front-Center Horizontal | 627.2mm |
| Wheelbase | 1045mm |
| Fork Offset/Rake | 44mm |
| Trail | 84.4mm very high |
| Mechanical Trail | 79mm |
| Wheel Flop | 27.9mm |
| Standover Height | 716mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 110.8mm |
| 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 | 1740.8mm |
| 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 | 155 cm to 170 cm |
Source:https://www.orbea.com/us-en/support/manuals/obook18-en