2024 SPIRO Origen Aluminio Base S
Build
700C/29 in × 42 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of SPIRO Origen Aluminio
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 545mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-T | 465mm |
| Top Tube Length, Effective/Horizontal HT Top | 534.5mm |
| Top Tube Slope | 11.1deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 135mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 288mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.1mm |
| Front-Center | 596.4mm |
| Front-Center Horizontal | 592.9mm |
| Wheelbase | 1023mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 392mm |
| Trail | 77.3mm high |
| Mechanical Trail | 72.8mm |
| Wheel Flop | 24.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 73.4mm |
| 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 | 1729mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 163 cm to 170 cm |
Source:https://cdn.shopify.com/s/files/1/0527/0991/6846/files/Ficha-Geometria-Origen-Aluminio.jpg?v=1741120868