2025 Ritchey Design Septimer Breakaway Base Extra Large
Build
700C/29 in × 50 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Ritchey Design Septimer Breakaway
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 614mm |
| Reach | 415mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, Unknown | 535mm |
| Top Tube Length, Effective/Horizontal Unknown | 603mm |
| Top Tube Slope | 10.2deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 286mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 433.6mm |
| Front-Center | 641.8mm |
| Front-Center Horizontal | 637.4mm |
| Wheelbase | 1071mm |
| Fork Offset/Rake | 50mm |
| Trail | 61.4mm mid/neutral |
| Mechanical Trail | 58.6mm |
| Wheel Flop | 17.6mm |
| Standover Height | 838mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 110.8mm |
| 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 | 1793mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://ritcheylogic.com/