2025 Ritchey Design Ascent Base L
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of off-road touring bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 607mm |
| Reach | 388mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, C-T | 500mm |
| Top Tube Length, Effective/Horizontal Unknown | 575mm |
| Top Tube Slope | 13.6deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 309mm |
| Chainstay Length | 463mm |
| Chainstay Length Horizontal | 458mm |
| Front-Center | 637.7mm |
| Front-Center Horizontal | 634mm |
| Wheelbase | 1092mm |
| Fork Offset/Rake | 52mm |
| Fork Length (Axle-To-Crown) | 435mm |
| Trail | 78.4mm high |
| Mechanical Trail | 73.9mm |
| Wheel Flop | 24.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 90.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 139mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1846.1mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://ritcheylogic.com/bike/frames/ascent-frameset