2021 Specialized Bicycles Aethos Base 52

Build

700C/29 in × 26 mm

Insights

Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Specialized Bicycles Aethos

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
462mm
Top Tube Length, Effective/Horizontal Center
531mm
Top Tube Slope
9.3deg
Head Tube Angle
72.5deg
Seat Tube Angle
74deg
Head Tube Length
120mm
Bottom Bracket Drop
74mm
Bottom Bracket Height
263mm
Chainstay Length
410mm
Chainstay Length Horizontal
403.3mm
Front-Center
577mm
Front-Center Horizontal
571.7mm
Wheelbase
975mm
Fork Offset/Rake
47mm
Fork Length (Axle-To-Crown)
369mm
Trail
57mm
mid/​neutral
Mechanical Trail
54.3mm
Wheel Flop
16.3mm
Standover Height
728mm
Tire to Pedal Spindle Distance
With 170 mm cranks
70mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
93mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
26mm
Tire Outer Diameter
674mm
Bike Length with Tires
1649mm
Crank Length
170mm
Handlebar Width
400mm
Stem Length
90mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.specialized.com/us/en/s-works-aethos---dura-ace-di2/p/187062?color=299404-187062&searchText=97221-0149