2026 Robert Frameworks RA1 GT Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | |
Stack | 535mm | 538mm |
Reach | 376mm | 380mm |
Stack to Reach Ratio | 1.42:1 | 1.42:1 |
Seat Tube Length, Unknown | 460mm | 490mm |
Top Tube Length, Actual C-C | 520mm | 535mm |
Top Tube Slope | 10.4deg | 7.4deg |
Head Tube Angle | 70deg | 71deg |
Seat Tube Angle | 75deg | 74deg |
Head Tube Length | 100mm | 120mm |
Bottom Bracket Drop | 70mm | 70mm |
Bottom Bracket Height | 283mm | 283mm |
Chainstay Length | 410mm | 410mm |
Chainstay Length Horizontal | 404mm | 404mm |
Front-Center | 597.1mm | 594.2mm |
Front-Center Horizontal | 593mm | 590mm |
Wheelbase | 997mm | 994mm |
Fork Offset/Rake | 44.9mm | 46.2mm |
Fork Length (On-Axis) | 390mm | 390mm |
Trail | 80.7mm very high | 72.7mm high |
Mechanical Trail | 75.8mm | 68.7mm |
Wheel Flop | 25.9mm | 22.4mm |
Tire to Pedal Spindle | 74.1mm 170 mm cranks | 71.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 113mm 170 mm cranks | 113mm 170 mm cranks |
Base Build
XS | S | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 42mm | 42mm |
Tire Outer Diameter | 706mm | 706mm |
Bike Length with Tires | 1703mm | 1700mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
All-road/GravelSource:robert-frameworks.com