2023 Robert Frameworks RA1 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Titanium
Fork
Carbon/Composite
Features
Disc brake

Geometry

XS
S
M
L
XL
Seat Tube Length, C-T
460mm
490mm
510mm
530mm
560mm
Top Tube Length, Effective/Horizontal Unknown
520mm
535mm
545mm
565mm
585mm
Head Tube Angle
70deg
71deg
71deg
71.5deg
71.5deg
Seat Tube Angle
75deg
74deg
74deg
74deg
73.5deg
Head Tube Length
100mm
120mm
140mm
170mm
200mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
273mm
273mm
273mm
273mm
273mm
Chainstay Length
410mm
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
404mm
404mm
404mm
404mm
404mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
44mm
Fork Length (On-Axis)
390mm
390mm
390mm
390mm
390mm
Trail
78mm
high
71.6mm
high
71.6mm
high
68.4mm
high
68.4mm
high
Mechanical Trail
73.3mm
67.7mm
67.7mm
64.8mm
64.8mm
Wheel Flop
25.1mm
22mm
22mm
20.6mm
20.6mm
Pedal Spindle to Ground Clearance
103mm
170 mm cranks
103mm
170 mm cranks
103mm
170 mm cranks
103mm
170 mm cranks
103mm
170 mm cranks

Base Build

XS
S
M
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
Tire Width
32mm
32mm
32mm
32mm
32mm
Tire Width Max
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
Source:https://robertbikestore.com/boutique/cadres-kits/robert-frameworks-ra1-kit-cadre/