2025 Orbea Diem Base M
Build
700C/29 in × 50 mm
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 625mm |
| Reach | 438mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 468mm |
| Top Tube Length, Effective/Horizontal HT Top | 610mm |
| Top Tube Slope | 17.2deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74.3deg |
| Head Tube Length | 187.4mm |
| Bottom Bracket Drop | 82mm |
| Bottom Bracket Height | 279mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 427.2mm |
| Front-Center | 699.2mm |
| Front-Center Horizontal | 694.4mm |
| Wheelbase | 1121.6mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 410mm |
| Trail | 81.6mm very high |
| Mechanical Trail | 76.4mm |
| Wheel Flop | 26.8mm |
| Standover Height | 686mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 168.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 109mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1843.6mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
| Features | E-bike, Step-through |
Published Sizing Recommendations
| Height | 164 cm to 183 cm |
Source:https://www.orbea.com/de-de/ebikes/urban/diem/cat/diem-10