2022 Specialized Bicycles Aethos Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
49 | 52 | 54 | 56 | 58 | 61 | |
Stack | 514mm | 527mm | 544mm | 565mm | 591mm | 612mm |
Reach | 375mm | 380mm | 384mm | 395mm | 402mm | 408mm |
Stack to Reach Ratio | 1.37:1 | 1.39:1 | 1.42:1 | 1.43:1 | 1.47:1 | 1.5:1 |
Seat Tube Length, C-T | 431mm | 462mm | 481mm | 504mm | 532mm | 567mm |
Top Tube Length, Effective/Horizontal Center | 508mm | 531mm | 540mm | 562mm | 577mm | 595mm |
Top Tube Slope | 11.3deg | 9.3deg | 9deg | 8.6deg | 8.3deg | 6.9deg |
Head Tube Angle | 71.75deg | 72.5deg | 73deg | 73.5deg | 73.5deg | 74deg |
Seat Tube Angle | 75.5deg | 74deg | 74deg | 73.5deg | 73.5deg | 73deg |
Head Tube Length | 109mm | 120mm | 137mm | 157mm | 184mm | 204mm |
Bottom Bracket Drop | 74mm | 74mm | 72mm | 72mm | 72mm | 72mm |
Bottom Bracket Height | 263mm | 263mm | 265mm | 265mm | 265mm | 265mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 403.3mm | 403.3mm | 403.6mm | 403.6mm | 403.6mm | 403.6mm |
Front-Center | 574mm | 577mm | 579mm | 591mm | 606mm | 613mm |
Front-Center Horizontal | 569.7mm | 571.7mm | 574.4mm | 587.4mm | 601.4mm | 608.4mm |
Wheelbase | 973mm | 975mm | 978mm | 991mm | 1005mm | 1012mm |
Fork Offset/Rake | 47mm | 47mm | 44mm | 44mm | 44mm | 44mm |
Fork Length (Axle-To-Crown) | 369mm | 369mm | 369mm | 369mm | 369mm | 369mm |
Trail | 61.6mm mid/neutral | 57mm mid/neutral | 57mm mid/neutral | 53.9mm mid/neutral | 53.9mm mid/neutral | 50.9mm mid/neutral |
Mechanical Trail | 58.5mm | 54.3mm | 54.5mm | 51.7mm | 51.7mm | 48.9mm |
Wheel Flop | 18.3mm | 16.3mm | 15.9mm | 14.7mm | 14.7mm | 13.5mm |
Standover Height | 705mm | 728mm | 748mm | 769mm | 796mm | 824mm |
Tire to Pedal Spindle | 67mm 170 mm cranks | 70mm 170 mm cranks | 72mm 170 mm cranks | 84mm 170 mm cranks | 99mm 170 mm cranks | 106mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 93mm 170 mm cranks | 93mm 170 mm cranks | 95mm 170 mm cranks | 95mm 170 mm cranks | 95mm 170 mm cranks | 95mm 170 mm cranks |
Base Build
49 | 52 | 54 | 56 | 58 | 61 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 26mm | 26mm | 26mm | 26mm | 26mm | 26mm |
Tire Outer Diameter | 674mm | 674mm | 674mm | 674mm | 674mm | 674mm |
Bike Length with Tires | 1647mm | 1649mm | 1652mm | 1665mm | 1679mm | 1686mm |
Published Sizing Recommendations
Height | 155 cm to 163 cm | 163 cm to 170 cm | 170 cm to 175 cm | 175 cm to 180 cm | 180 cm to 188 cm | 188 cm to 196 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Performance RoadSource:https://www.specialized.com/fr/en/s-works-aethos---sram-red-etap-axs/p/199443?color=321743-199443