2022 Viathon Bicycles G.1 Base (700c)

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

Geometry

52
54
56
58
60
Stack
545mm
565.8mm
582mm
598.2mm
612.5mm
Reach
378.9mm
382.8mm
387.6mm
392.1mm
408mm
Stack to Reach Ratio
1.44:1
1.48:1
1.5:1
1.53:1
1.5:1
Seat Tube Length, C-T
520mm
540mm
560mm
580mm
600mm
Top Tube Length, Effective/Horizontal HT Top
530mm
545mm
560mm
575mm
595mm
Top Tube Slope
4.9deg
5deg
4.7deg
4.4deg
3.8deg
Head Tube Angle
71deg
71.5deg
72deg
72.5deg
72.5deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
73deg
Head Tube Length
125mm
145mm
160mm
175mm
190mm
Bottom Bracket Drop
69mm
69mm
69mm
69mm
69mm
Bottom Bracket Height
282mm
282mm
282mm
282mm
282mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
419.4mm
419.4mm
419.4mm
419.4mm
419.4mm
Front-Center
598mm
604mm
609mm
613mm
634mm
Front-Center Horizontal
593.6mm
599.6mm
604.6mm
609.6mm
629.6mm
Wheelbase
1013mm
1019mm
1024mm
1029mm
1049mm
Fork Offset/Rake
48mm
48mm
48mm
48mm
48mm
Fork Length, Unknown
394mm
394mm
394mm
394mm
394mm
Trail
70.1mm
high
66.8mm
high
63.6mm
mid/​neutral
60.3mm
mid/​neutral
60.3mm
mid/​neutral
Mechanical Trail
66.3mm
63.4mm
60.5mm
57.6mm
57.6mm
Wheel Flop
21.6mm
20.1mm
18.7mm
17.3mm
17.3mm
Standover Height
756mm
776mm
795mm
813mm
831mm
Tire to Pedal Spindle
77mm
170 mm cranks
83mm
170 mm cranks
88mm
170 mm cranks
92mm
170 mm cranks
113mm
170 mm cranks
Pedal Spindle to Ground Clearance
112mm
170 mm cranks
112mm
170 mm cranks
112mm
170 mm cranks
112mm
170 mm cranks
112mm
170 mm cranks

Base (700c) Build

52
54
56
58
60
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
40mm
40mm
40mm
40mm
40mm
Tire Width Max
45mm
45mm
45mm
45mm
45mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1715mm
1721mm
1726mm
1731mm
1751mm

Published Sizing Recommendations

Height
158 cm
to
170 cm
168 cm
to
177 cm
175 cm
to
185 cm
183 cm
to
190 cm
188 cm
to
198 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://www.viathonbicycles.com/collections/gravel-multi-surface-g-1/products/g-1-grx-600?variant=30117410504817