2026 Robert Frameworks RA1 GT Base XS
Build
700C/29 in × 43 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 535mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.42:1 |
| Top Tube Length, Effective/Horizontal Unknown | 520mm |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 46mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 284mm |
| Wheelbase | 997mm |
| Fork Length, Unknown | 390mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 114mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 43mm |
| Tire Outer Diameter | 708mm |
| Bike Length with Tires | 1705mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:robert-frameworks.com