2024 Van Nicholas Astraeus Base

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

Geometry

XS
S
M
L
XL
Stack
509mm
514mm
535mm
555mm
581mm
Reach
377mm
385mm
385mm
393mm
393mm
Stack to Reach Ratio
1.35:1
1.34:1
1.39:1
1.41:1
1.48:1
Seat Tube Length, C-T
450mm
480mm
510mm
540mm
570mm
Seat Tube Length, C-C
410mm
440mm
470mm
500mm
520mm
Top Tube Length, Effective/Horizontal HT Top
518mm
527mm
543mm
563mm
582mm
Top Tube Length, Effective/Horizontal Unknown
503mm
515mm
530mm
551mm
566mm
Top Tube Slope
8.6deg
5.7deg
5deg
4deg
3.9deg
Head Tube Angle
71.5deg
71.5deg
72deg
72.5deg
73deg
Seat Tube Angle
74.5deg
74.5deg
73.5deg
73deg
72deg
Head Tube Length
110mm
115mm
135mm
155mm
180mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
269mm
269mm
269mm
269mm
269mm
Chainstay Length
415mm
415mm
415mm
415mm
415mm
Chainstay Length Horizontal
409.1mm
409.1mm
409.1mm
409.1mm
409.1mm
Front-Center
581mm
590mm
592mm
603mm
606mm
Front-Center Horizontal
577mm
586mm
588mm
599mm
602mm
Wheelbase
986mm
995mm
997mm
1008mm
1011mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Trail
60.7mm
mid/​neutral
60.7mm
mid/​neutral
57.6mm
mid/​neutral
54.5mm
mid/​neutral
51.4mm
mid/​neutral
Mechanical Trail
57.6mm
57.6mm
54.8mm
51.9mm
49.1mm
Wheel Flop
18.3mm
18.3mm
16.9mm
15.6mm
14.4mm
Standover Height
712mm
732mm
758mm
784mm
806mm
Tire to Pedal Spindle
72mm
170 mm cranks
81mm
170 mm cranks
83mm
170 mm cranks
94mm
170 mm cranks
97mm
170 mm cranks
Pedal Spindle to Ground Clearance
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

Base Build

XS
S
M
L
XL
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
28mm
28mm
28mm
28mm
28mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1664mm
1673mm
1675mm
1686mm
1689mm

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
Performance Road
Source:https://titanium.vannicholas.com/en/road-bikes/astraeus