2023-2024 Author Guru Base

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

Geometry

520
540
Stack
586mm
607mm
Reach
371mm
373mm
Stack to Reach Ratio
1.58:1
1.63:1
Seat Tube Length, C-T
520mm
540mm
Seat Tube Length, C-C
472mm
492mm
Top Tube Length, Effective/Horizontal Center
529mm
549mm
Top Tube Length, Effective/Horizontal HT Top
550mm
565mm
Top Tube Slope
9.6deg
9.8deg
Head Tube Angle
71.5deg
71.5deg
Seat Tube Angle
73deg
72.5deg
Head Tube Length
155mm
180mm
Bottom Bracket Drop
75mm
72mm
Bottom Bracket Height
278mm
281mm
Chainstay Length
425mm
425mm
Chainstay Length Horizontal
418.3mm
418.9mm
Front-Center
601.4mm
611.4mm
Front-Center Horizontal
596.7mm
607.1mm
Wheelbase
1015mm
1026mm
Fork Offset/Rake
52mm
52mm
Fork Length (Axle-To-Crown)
401mm
401mm
Trail
63.3mm
mid/​neutral
63.3mm
mid/​neutral
Mechanical Trail
60mm
60mm
Wheel Flop
19mm
19mm
Tire to Pedal Spindle
78.4mm
170 mm cranks
88.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
108mm
170 mm cranks
111mm
170 mm cranks

Base Build

520
540
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
42mm
42mm
Tire Width Max
42mm
42mm
Tire Outer Diameter
706mm
706mm
Bike Length with Tires
1721mm
1732mm

Published Sizing Recommendations

Height
171 cm
to
178 cm
176 cm
to
185 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
All-road/Gravel
Source:https://en.author.eu/author-guru-2023-ua42952102#!geometrie-modelu