2019 Viathon Bicycles R.1 Base 540

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
550mm
Reach
386mm
Stack to Reach Ratio
1.42:1
Seat Tube Length, C-T
540mm
Top Tube Length, Effective/Horizontal HT Top
550mm
Top Tube Slope
3.4deg
Head Tube Angle
72.8deg
Seat Tube Angle
73.4deg
Head Tube Length
146mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
264mm
Chainstay Length
406mm
Chainstay Length Horizontal
399.6mm
Front-Center
583mm
Front-Center Horizontal
579.4mm
Wheelbase
979mm
Fork Offset/Rake
43mm
Fork Length, Unknown
367mm
Trail
59mm
mid/​neutral
Mechanical Trail
56.4mm
Wheel Flop
16.7mm
Tire to Pedal Spindle Distance
With 170 mm cranks
77mm
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
1651mm
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
168 cm
to
177 cm
Source:https://www.viathonbicycles.com/products/road-bike-r1-105