2024 SPIRO Origen Aluminio Base M
Build
700C/29 in × 42 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 561mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 495mm |
| Top Tube Length, Effective/Horizontal HT Top | 546mm |
| Top Tube Slope | 9.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 288mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.1mm |
| Front-Center | 602.4mm |
| Front-Center Horizontal | 598.9mm |
| Wheelbase | 1029mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 392mm |
| Trail | 74mm high |
| Mechanical Trail | 69.9mm |
| Wheel Flop | 22.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 79.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 118mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1735mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 171 cm to 179 cm |
Source:https://cdn.shopify.com/s/files/1/0527/0991/6846/files/Ficha-Geometria-Origen-Aluminio.jpg?v=1741120868