2025 Robert Frameworks RA-1 Performance Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | M/L | L | XL | |
Stack | 525.7mm | 543.6mm | 562.5mm | 578.6mm | 598mm | 616.5mm |
Reach | 379.1mm | 384.3mm | 385mm | 389.1mm | 396.4mm | 402.4mm |
Stack to Reach Ratio | 1.39:1 | 1.41:1 | 1.46:1 | 1.49:1 | 1.51:1 | 1.53:1 |
Seat Tube Length, C-T | 430mm | 465mm | 480mm | 450mm | 510mm | 530mm |
Seat Tube Length, Effective Center | 52mm | 535mm | 545mm | 555mm | 565mm | 585mm |
Top Tube Slope | 12.7deg | 10.6deg | 11deg | 15.9deg | 11.4deg | 11.1deg |
Head Tube Angle | 70deg | 71deg | 71deg | 71.5deg | 71.5deg | 71.5deg |
Seat Tube Angle | 75deg | 74.5deg | 74.5deg | 74deg | 74deg | 73.5deg |
Head Tube Length | 110mm | 125mm | 145mm | 160mm | 170mm | 200mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 283mm | 283mm | 283mm | 283mm | 283mm | 283mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 404mm | 404mm | 404mm | 404mm | 404mm | 404mm |
Trail | — — | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — | — |
Wheel Flop | — | — | — | — | — | — |
Pedal Spindle to Ground Clearance | 113mm 170 mm cranks | 113mm 170 mm cranks | 113mm 170 mm cranks | 113mm 170 mm cranks | 113mm 170 mm cranks | 113mm 170 mm cranks |
Base Build
XS | S | M | M/L | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Tire Width Max | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Tire Outer Diameter | 706mm | 706mm | 706mm | 706mm | 706mm | 706mm |
Published Sizing Recommendations
Height | 158 cm to 166 cm | 164 cm to 170 cm | 168 cm to 175 cm | 173 cm to 179 cm | 180 cm to 187 cm | 185 cm to 194 cm |
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:https://titaniumbikestore.com/boutique/cadres-kits/robert-frameworks-ra1-performance-kit-cadre/?v=82a9e4d26595