2024 Ritchey Design Road Logic Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Carbon/Composite
Features
Rim brake
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

49cm
51cm
53cm
55cm
57cm
59cm
Stack
507mm
523mm
549mm
568mm
587mm
609mm
Reach
382mm
387mm
391mm
395mm
401mm
410mm
Stack to Reach Ratio
1.33:1
1.35:1
1.4:1
1.44:1
1.46:1
1.49:1
Seat Tube Length, C-T
465mm
485mm
505mm
525mm
545mm
565mm
Top Tube Length, Effective/Horizontal Center
518mm
532mm
548mm
563mm
575mm
590mm
Top Tube Slope
6.6deg
6.2deg
6.8deg
6.8deg
6.6deg
6.7deg
Head Tube Angle
72deg
72.5deg
73deg
73.5deg
73.5deg
73.5deg
Seat Tube Angle
75deg
74.5deg
74deg
73.5deg
73.5deg
73.5deg
Head Tube Length
100mm
115mm
140mm
160mm
180mm
200mm
Bottom Bracket Drop
72mm
72mm
72mm
70mm
70mm
70mm
Bottom Bracket Height
267mm
267mm
267mm
269mm
269mm
269mm
Chainstay Length
410mm
410mm
415mm
415mm
415mm
415mm
Chainstay Length Horizontal
403.6mm
403.6mm
408.7mm
409.1mm
409.1mm
409.1mm
Front-Center
575.9mm
581.8mm
588.7mm
591.1mm
603mm
613mm
Front-Center Horizontal
571.4mm
577.4mm
584.3mm
587mm
599mm
609mm
Wheelbase
975mm
981mm
993mm
996mm
1008mm
1018mm
Fork Offset/Rake
46mm
46mm
46mm
43mm
43mm
43mm
Fork Length (On-Axis)
368mm
368mm
368mm
368mm
368mm
368mm
Fork Length (Axle-To-Crown)
371mm
371mm
371mm
371mm
371mm
371mm
Trail
61.8mm
mid/​neutral
58.7mm
mid/​neutral
55.5mm
mid/​neutral
55.6mm
mid/​neutral
55.6mm
mid/​neutral
55.6mm
mid/​neutral
Mechanical Trail
58.8mm
55.9mm
53.1mm
53.3mm
53.3mm
53.3mm
Wheel Flop
18.2mm
16.8mm
15.5mm
15.1mm
15.1mm
15.1mm
Standover Height
735mm
753mm
774mm
795mm
815mm
835mm
Tire to Pedal Spindle
66.9mm
170 mm cranks
72.8mm
170 mm cranks
79.7mm
170 mm cranks
82.1mm
170 mm cranks
94mm
170 mm cranks
104mm
170 mm cranks
Pedal Spindle to Ground Clearance
97mm
170 mm cranks
97mm
170 mm cranks
97mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

Base Build

49cm
51cm
53cm
55cm
57cm
59cm
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
28mm
28mm
28mm
28mm
28mm
28mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1653mm
1659mm
1671mm
1674mm
1686mm
1696mm

Published Sizing Recommendations

Height
152 cm
to
160 cm
157 cm
to
165 cm
163 cm
to
173 cm
170 cm
to
180 cm
179 cm
to
185 cm
183 cm
to
191 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 Scale
Category Trend
Endurance Road
Source:https://ritcheylogic.com/bike/frames/road-logic-frameset