2026 Bike Ahead Composites The Frame Base S
Build
700C/29 in × 2.4 in
Insights
Average stack and reach vs trend of hardtail cross-country mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 607mm |
| Reach | 403mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal HT Top | 405mm |
| Top Tube Slope | 23.4deg |
| Head Tube Angle | 68.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 63mm |
| Bottom Bracket Height | 309mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.4mm |
| Front-Center | 667.6mm |
| Front-Center Horizontal | 664.6mm |
| Wheelbase | 1090mm |
| Fork Offset/Rake | 42mm |
| Fork Length (Axle-To-Crown) | 506mm |
| Trail | 101.4mm very high |
| Mechanical Trail | 94.3mm |
| Wheel Flop | 34.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 125.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 139mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1833.9mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://bike-ahead-composites.de/products/hardtail/frames/the-frame.html