2023 Specialized Bicycles Aethos Dura Ace Di2 54

Build

700C/29 in × 28 mm

Insights

Average stack and reach vs trend of performance road bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
544mm
Reach
384mm
Stack to Reach Ratio
1.42:1
Seat Tube Length, Unknown
481mm
Top Tube Length, Effective/Horizontal Center
540mm
Top Tube Slope
9deg
Head Tube Angle
73deg
Seat Tube Angle
74deg
Head Tube Length
137mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
267mm
Chainstay Length
410mm
Chainstay Length Horizontal
403.6mm
Front-Center
579mm
Front-Center Horizontal
574.4mm
Wheelbase
978mm
Fork Offset/Rake
44mm
Fork Length, Unknown
369mm
Trail
57.6mm
mid/​neutral
Mechanical Trail
55.1mm
Wheel Flop
16.1mm
Standover Height
748mm
Tire to Pedal Spindle Distance
With 172.5 mm cranks
67.5mm
Pedal Spindle to Ground Clearance
With 172.5 mm cranks
94.5mm

Dura Ace Di2 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1656mm
Crank Length
172.5mm
Handlebar Width
420mm
Stem Length
100mm
Stem Angle
6deg
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
5 ft 7 in
to
5 ft 9 in
Source:https://www.specialized.com/us/en/s-works-aethos---dura-ace-di2/p/216930?color=349961-216930