2026 Basso Bikes Astra Base 45
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Basso Bikes Astra
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 538.9mm |
| Reach | 371.1mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal Center | 505mm |
| Top Tube Slope | 12deg |
| Head Tube Angle | 71.8deg |
| Seat Tube Angle | 76deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 404mm |
| Chainstay Length Horizontal | 397mm |
| Front-Center | 576.9mm |
| Front-Center Horizontal | 572mm |
| Wheelbase | 969mm |
| Fork Offset/Rake | 48mm |
| Fork Length (On-Axis) | 576.9mm |
| Trail | 62.2mm mid/neutral |
| Mechanical Trail | 59.1mm |
| Wheel Flop | 18.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 63.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 98mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1655mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://bassobikes.com/en/bikes/road-bikes/astra