2026 Specialized Bicycles Aethos 2 52

Build

700C/29 in × 28 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
538mm
Reach
377mm
Stack to Reach Ratio
1.43:1
Seat Tube Length, Unknown
470mm
Top Tube Length, Effective/Horizontal Center
526mm
Top Tube Slope
9.6deg
Head Tube Angle
72.1deg
Seat Tube Angle
74.5deg
Head Tube Length
128mm
Bottom Bracket Drop
76.5mm
Bottom Bracket Height
262.5mm
Chainstay Length
410mm
Chainstay Length Horizontal
402.8mm
Front-Center
584mm
Front-Center Horizontal
578.2mm
Wheelbase
981mm
Fork Offset/Rake
50mm
Fork Length, Unknown
372mm
Trail
57mm
mid/​neutral
Mechanical Trail
54.2mm
Wheel Flop
16.7mm
Standover Height
737mm
Tire to Pedal Spindle Distance
With 170 mm cranks
75mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
92.5mm

2 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1659mm
Crank Length
170mm
Handlebar Width
380mm
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-2-frameset-fact-12r-carbon/p/4221567?color=5446310-4221567