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