Aethos 2 Pro Ultegra Di2
With a 705g frame, the Aethos 2 is the lightest bike in its class. But weight was never the point. Built by breaking racing’s rules to deliver pure road riding bliss, it’s engineered to disappear beneath you: responsive, supple, and sublime. Now with increased tire clearance, refined components, and data-based fit-enhancing geometry, it brings that transcendent ride feel to more riders than ever. Aethos 2 breaks the rules, for the love of the ride.
or with
Availability
View all locations
30 Day Return Policy
Price matching on identical items from authorized Canadian retailers
Please note, bikes may not look exactly as pictured and components are subject to change
Need to Know
KEY FEATURES
PERFECT FOR
Why we like the Specialized Aethos 2 Pro Ultegra Di2
Flow State Design
By optimizing shape instead of adding material in layering stiffness, specialized eliminated traditional ‘stiffness’ layers of carbon fiber. The outcome is a lighter frame with better ride quality, improved structural integrity, and real performance gains
Geometry and Fit Perfected for More Riders
Refined the fit and geometry using data from over 100,000 Body Geometry fits to make long days in the mountains feel even better.
Carve the Corners with Precision
A 0.5 Degree Slacker Headtube creates nimble but intuitive handling
Specifications
Frame Material
Aethos 2 FACT 10r Carbon
Shifter
Shimano Ultegra Di2 R8170, hydraulic disc
Rear Derailleur
Shimano Ultegra Di2 R8170
Front Derailleur
Shimano Ultegra Di2 R8150, braze-on
Crankset
Shimano Ultegra R8100 with 4iiii Precision 3+ single-sided Power Meter, 52/36t
Chain
Shimano XT M8100, 12-speed w/ quick link
Cassette
Shimano Ultegra, 12-speed, 11-30t
Brakeset
Shimano Ultegra BR-R8170, hydraulic disc
Rotors
Shimano Ultegra RT-CL800 (160mm front / 140mm rear)
Bottom Bracket
Shimano Threaded BSA BB
Cockpit
Headset
Handlebar
Roval Alpinist Cockpit II, Integrated Bar/Stem
Stem
Saddle
Power Pro Mirror, Hollow Ti rails
Seatpost
Roval Alpinist Carbon Seatpost
Wheels
Wheelset
Roval Alpinist CL II, 21mm internal width carbon rim, 33mm depth
Front Axle
12x100
Rear Axle
12x142
Hubs
DT for Roval 350 hub
Tires
S-Works Turbo TLR Race Tire, 700x28c
Tire Clearance
35mm
Welcome to Bici's Personal Bike Shopping Service, where your cycling journey becomes truly personalized. At Bici, we understand that finding the perfect bike is more than just a purchase—it's an experience.
Our dedicated team of experts is here to guide you through every step, offering tailored advice and insights to match you with the ideal bike. Whether you're a road enthusiast, a mountain trailblazer, or a casual rider, we take the time to understand your unique needs and preferences.
Discover the difference of a truly personalized approach with Bici's Personal Bike Shopping Service, where your perfect ride awaits.
FAQ
What is Bici's return policy?
Bici's return policy includes a 30-day window for online return requests, a 15-day return period after approval, and eligibility criteria such as unused items in original packaging.
Review our return policy for comprehensive details.
How do I initiate a return with Bici?
To start a return, submit a request online within 30 days from the order date.
Visit our Return Center and follow the simple steps to process your return.
How does Bici's Price Protection Policy work?
If you purchase an item on Bicicletta.cc and find a lower price on our website within 14 days, we'll honour the sale price where possible.
The difference in price will be credited back to you as store credit in the form of a gift card.
What conditions must an item meet to be eligible for price protection?
To qualify, the item on sale must be the same make, model, year, size, and colour as the one you purchased.
It must have been bought at full price without any discounts or promotions applied. Please note that bicycles, shipping costs, and labor are not price-protected.
Learn more here.
Shipping
Fast shipping
At Bici, enjoy free standard shipping within Canada on regular price bicycles. Sale and demo bikes and trainer bikes cost $195 to ship*.
During the checkout process, easily view the estimated delivery date based on your chosen shipping method.
Order tracking
Once your order is shipped, you'll receive a confirmation email with a tracking number.
Use this number on our website's tracking page to monitor your package's journey in real-time.
Get in touch
We're here to assist you! You can reach out to our Riders Support team or call us at: 778 719 3080.
For additional contact options, visit our Contact Us page.
About us
Our team
Bici's dynamic team embodies passion and expertise, working collaboratively to deliver outstanding products and customer experiences.
Meet the team.
Our shop
Explore the world's foremost cycling brands alongside our expert team at Bici's flagship shop. Our highly trained staff, versed in both technical prowess and fashion sensibility, is ready to guide you through a curated selection of cycling apparel and accessories.
Learn more about the shop.