Insights

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

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
277mm
277mm
277mm
277mm
277mm
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
68.4mm
high
65.2mm
high
62mm
mid/​neutral
58.8mm
mid/​neutral
58.8mm
mid/​neutral
Mechanical Trail
64.7mm
61.8mm
58.9mm
56mm
56mm
Wheel Flop
21.1mm
19.6mm
18.2mm
16.9mm
16.9mm
Tire to Pedal Spindle
82mm
170 mm cranks
88mm
170 mm cranks
93mm
170 mm cranks
97mm
170 mm cranks
118mm
170 mm cranks
Pedal Spindle to Ground Clearance
107mm
170 mm cranks
107mm
170 mm cranks
107mm
170 mm cranks
107mm
170 mm cranks
107mm
170 mm cranks

Base (700c) Build

Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
35mm
35mm
35mm
35mm
35mm
Tire Width Max
51mm
51mm
51mm
51mm
51mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1705mm
1711mm
1716mm
1721mm
1741mm

Base (700c) Build

Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc

Stack and Reach vs. Category Trend

Source:https://www.viathonbicycles.com/products/g1-105

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