Specialized Aethos Pro – Ultegra Di2 2021
2021 Road
Estimate price |
7,800$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset Ultegra Di2 -
Suspension Rigid -
Drivetrain Electronic -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
49cm
155cm - 163cm
52cm
161cm - 169cm
54cm
166cm - 175cm
56cm
172cm - 181cm
58cm
178cm - 186cm
61cm
183cm - 191cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aethos FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc
Suspension Fork
FACT Carbon, 12x100mm thru-axle, flat-mount disc
Drivetrain
Rear Derailleur
Shimano Ultegra Di2 R8050, GS medium cage
Front Derailleur
Shimano Ultegra Di2 R8050, braze-on
Crank
Shimano Ultegra R8000, HollowTech 2, 11-speed
Bottom Bracket
BSA, 68mm, threaded
Chain
Shimano Ultegra, 11-speed
Wheels
Rims
Roval Alpinist CL, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes
Tires
S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Brakes
Brakes
Shimano Ultegra R8070, hydraulic disc
Cockpit
Stem
Specialized Pro SL, alloy, 4-bolt
Handlebar
S-Works Short & Shallow
Seat
Saddle
Body Geometry Power Pro, Hollow Titanium Rails, Carbon Fiber Base
Seatpost
Roval Alpinist Carbon Seatpost
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.37 mm | 1.39 mm | 1.42 mm | 1.43 mm | 1.47 mm | 1.5 mm |
| Bottom Bracket Height | 266 mm | 266 mm | 268 mm | 268 mm | 268 mm | 268 mm |
| Front Center | 574 mm | 577 mm | 579 mm | 591 mm | 606 mm | 613 mm |
| Rake | 47 mm | 47 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 63 mm | 58 mm | 58 mm | 55 mm | 55 mm | 52 mm |
| Stack | 511 mm | 524 mm | 541 mm | 562 mm | 588 mm | 609 mm |
| Reach | 372 mm | 377 mm | 381 mm | 392 mm | 399 mm | 405 mm |
| Top Tube Length | 505 mm | 528 mm | 537 mm | 559 mm | 574 mm | 592 mm |
| Seat Tube Angle | 75.5 ° | 74 ° | 74 ° | 73.5 ° | 73.5 ° | 73 ° |
| Seat Tube Length | 431 mm | 462 mm | 481 mm | 504 mm | 532 mm | 567 mm |
| Head Tube Angle | 71.75 ° | 72.5 ° | 73 ° | 73.5 ° | 73.5 ° | 74 ° |
| Head Tube Length | 109 mm | 120 mm | 137 mm | 157 mm | 184 mm | 204 mm |
| Chainstay Length | 407 mm | 407 mm | 407 mm | 407 mm | 407 mm | 407 mm |
| Wheelbase | 970 mm | 972 mm | 975 mm | 988 mm | 1002 mm | 1009 mm |
| Bottom Bracket Drop | 74 mm | 74 mm | 72 mm | 72 mm | 72 mm | 72 mm |
| Standover Height | 702 mm | 725 mm | 745 mm | 766 mm | 793 mm | 821 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 155 cm | 161 cm | 166 cm | 172 cm | 178 cm | 183 cm |
| Rider Max Height | 163 cm | 169 cm | 175 cm | 181 cm | 186 cm | 191 cm |
About this model
Aethos Pro – Ultegra Di2 is part of the Specialized Aethos model. There are 38 bikes that carry this model name. Take a sneak peek at all Specialized Aethos bikes models from 2021, by clicking here.
Model range prices
Specialized Aethos Expert 2021 is the cheapest bike model and costs 5500$. Specialized S-Works Aethos – Founder’s Edition 2021 is the most expensive one and costs 14500$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Endurance bikes
Our math shows that the average cost of a dependable Endurance bike is 2346$. However, even though the average price of an Endurance bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
When Specialized released this model in 2021, its price was 7800$. Comparing the average cost of an Endurance bike to this one, you will see that Aethos Pro – Ultegra Di2 price is 232.48% higher.
Aethos Pro – Ultegra Di2 components
Fork material
When it comes to the fork, this bike has a carbon one, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels size
The wheels on Aethos Pro – Ultegra Di2 are the 700c carbon type. There is no doubt, that 700c wheels are very popular on all road bike models. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Aethos Pro – Ultegra Di2 comes with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.
Sizes
There are 6 sizes available for this model. Rider height can be anywhere between 155 cm – 191 cm (5.09 ft – 6.27 ft). In short, you can easily find one that suits you.