2026 Specialized Bicycles Aethos 2 61

Build

700C/29 in × 28 mm

Insights

Somewhat upright 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
627mm
Reach
404mm
Stack to Reach Ratio
1.55:1
Seat Tube Length, Unknown
570mm
Top Tube Length, Effective/Horizontal Center
584mm
Top Tube Slope
8deg
Head Tube Angle
73.5deg
Seat Tube Angle
74deg
Head Tube Length
218mm
Bottom Bracket Drop
73.5mm
Bottom Bracket Height
265.5mm
Chainstay Length
410mm
Chainstay Length Horizontal
403.4mm
Front-Center
621mm
Front-Center Horizontal
616.6mm
Wheelbase
1020mm
Fork Offset/Rake
47mm
Fork Length, Unknown
372mm
Trail
51.4mm
mid/​neutral
Mechanical Trail
49.3mm
Wheel Flop
14mm
Standover Height
834mm
Tire to Pedal Spindle Distance
With 175 mm cranks
107mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
90.5mm

2 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1698mm
Crank Length
175mm
Handlebar Width
420mm
Stem Length
110mm
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