2025 Robert Frameworks RA-1 Performance Base S
Build
700C/29 in × 42 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Robert Frameworks RA-1 Performance
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 543.6mm |
| Reach | 384.3mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 465mm |
| Seat Tube Length, Effective Center | 535mm |
| Top Tube Slope | 10.6deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 283mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 113mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 164 cm to 170 cm |
Source:https://titaniumbikestore.com/boutique/cadres-kits/robert-frameworks-ra1-performance-kit-cadre/?v=82a9e4d26595