2025 VeloBuild AeroGrav Base S
Build
700C/29 in × 50 mm
Insights
Average stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 550mm |
| Reach | 392mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, C-T | 500mm |
| Top Tube Length, Effective/Horizontal Center | 550mm |
| Top Tube Slope | 7.5deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.3mm |
| Front-Center | 613.3mm |
| Front-Center Horizontal | 608.7mm |
| Wheelbase | 1027mm |
| Fork Offset/Rake | 50mm |
| Trail | 71.4mm high |
| Mechanical Trail | 67.5mm |
| Wheel Flop | 22mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 82.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 116mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 722mm |
| Bike Length with Tires | 1749mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.velobuild.com/products/2025-velobuild-carbon-fiber-racing-gravel-bike-frame