2026 Robert Frameworks RA1 GT Base XS
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 RA1 GT
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 535mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, Unknown | 460mm |
| Top Tube Length, Actual C-C | 520mm |
| Top Tube Slope | 10.4deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 283mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404mm |
| Front-Center | 597.1mm |
| Front-Center Horizontal | 593mm |
| Wheelbase | 997mm |
| Fork Offset/Rake | 44.9mm |
| Fork Length (On-Axis) | 390mm |
| Trail | 80.7mm very high |
| Mechanical Trail | 75.8mm |
| Wheel Flop | 25.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 74.1mm |
| 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 |
| Bike Length with Tires | 1703mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:robert-frameworks.com