2019 Viathon Bicycles R.1 Base 520

Build

700C/29 in × 25 mm

Insights

Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Viathon Bicycles R.1

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
527mm
Reach
380mm
Stack to Reach Ratio
1.39:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal HT Top
534mm
Top Tube Slope
3deg
Head Tube Angle
72deg
Seat Tube Angle
73.7deg
Head Tube Length
124mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
264mm
Chainstay Length
406mm
Chainstay Length Horizontal
399.6mm
Front-Center
578mm
Front-Center Horizontal
573.4mm
Wheelbase
973mm
Fork Offset/Rake
43mm
Fork Length, Unknown
367mm
Trail
64mm
mid/​neutral
Mechanical Trail
60.8mm
Wheel Flop
18.8mm
Tire to Pedal Spindle Distance
With 170 mm cranks
72mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
94mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
25mm
Tire Outer Diameter
672mm
Bike Length with Tires
1645mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
158 cm
to
170 cm
Source:https://www.viathonbicycles.com/products/road-bike-r1-105