S-Works Aethos 2 Road Bike
Every bike is fully assembled, tuned, and test-ridden before pickup at your chosen DFW Bike Mart location.
Expected to ship within 3 days
Professionally built and test-ridden before it ships. Arrives mostly assembled with just minimal setup needed. See Reassembly Instructions
Delivered fully assembled and tuned by Bike Mart—ready to ride right at your doorstep within 10 miles of any DFW location.
Complete your Ride
What is the Bike Mart Return policy?
What is the Bike Mart Return policy?
Bike Mart offers a 14-day return and 30-day exchange policy in effect on qualifying items. Restocking fee may apply for "At Warehouse" Items. Read More
What Financing options does Bike Mart offer?
What Financing options does Bike Mart offer?
Financing is easier than ever at Bike Mart. With Synchrony Financial, you can choose:
- 0% APR for 6 months — on orders under $999
- 0% APR for 12 months — on orders of $1,000 or more
We also support HSA/FSA Funds with TrueMed, Shop Pay Installments and PayPal Financing.
Ship
Get your bike or equipment delivered to your home directly from Bike Mart via our FedEx or USPS Carrier partners. Adult signature is required for all bike deliveries and for equipment & gear deliveries over $500.
For orders that include a bike, it will be professionally pre-built and shipped to your home with minimal assembly needed. While we try to make it as easy as possible, basic mechanical skills and proper tools are required.
If you decide to take your bike to a local bike shop for assembly, additional fees will apply.
Pickup
We’ve made it easier than ever to get the gear and bikes you love—fast. With our Buy Online, Pick Up In Store (BOPIS) option, you can shop online and pick up your items at your convenience from any of our six DFW locations.
The best part about picking up at a Bike Mart location is that you get the same high quality service with the convenience of having the exact bike or part.
Bikes / Car Racks will be assembled and installed at no extra charge and might require additional processing time for assembly.
Delivery
When you select "Home Delivery" at checkout. Your bike will be professionally assembled and the closest Bike Mart store will call you to schedule the delivery.
We offer home delivery for bike purchases only within 10 miles of a Bike Mart location. Contact us if you live beyond 10 miles and we can discuss more options. Additional fees may apply.
In stock bikes will be delivered within 7 days. Warehouse bikes will delivered within 14 days*.
S-Works Aethos 2 Road Bike
-
Technology is Our Tradition
Flow State Design: Where Specialized Science Club Meets Machine Intelligence
-
595 grams FACT 12r Frames
Lighter than the water bottle in your cage thanks to our most optimized layup ever.
-
We’ll Never Make a Bike the Same Way
Aethos redefined how we build bikes. Crux and Tarmac SL8 followed its lead.
-
Rider First Engineered
Regardless of the bike’s size, every rider gets the famed Aethos ride quality.
-
New Fit for More Comfort and Performance
We increased the stack by 15mm to help take pressure off your hands, neck and shoulders.
-
More Confidence, More Stability
What goes up, must come down. A 7mm longer wheelbase for confidence to push the pace on descents.
-
Carve the Corners with Precision
A 0.5° Slacker Headtube creates nimble but intuitive handling. Aethos 2 must be reading your mind.
-
Ride ‘in’ the bike, not ‘on’ the bike.
With a 3mm lower BB height is optimized for higher volume road tires and a more connected feeling to the bike and road.
-
Saddle Rail Clamp
9 Grams Saved
-
Bottom Bracket Shell
6 Grams Saved
-
Brake Mounts
2 Grams Saved
-
Lightweight UDH
2 Grams Saved
All-New Roval Alpinist Cockpit and Wheels
-
The Fastest Way to the Top
The Alpinist II cockpit and CLX III wheels are purpose-built to elevate Aethos 2, while delivering significant weight savings.
-
Alpinist CLX III Wheels
Paired with 1,131g CLX III wheels—featuring lighter, stronger composite spokes —the ride feels faster, smoother, and more refined in every way.
-
Alpinist II Cockpit
At just 270g, the cockpit blends ergonomic shaping—oval tops, flared drops, and 28% more damping—with clean internal routing and classic compatibility.
Explore the Lineup
-
S-Works Aethos 2
The most sublime ride as light as 5.9kg. FACT 12r carbon frame/fork. Red AXS or Dura Ace Di2, Roval Alpinist II Cockpit, CLX III wheels.
-
Aethos 2 Pro
The most sublime ride as light as 6.7kg. FACT 10r carbon frame/fork. Force AXS or Ultegra Di2, Roval Alpinist II Cockpit, CL II wheels.
-
Aethos 2 Expert
The most sublime ride as light as 7kg. FACT 10r carbon frame/fork. Force AXS or Ultegra Di2, Roval Alpinist Bar/Stem, C 38 wheels.
-
S-Works Aethos 2 Frameset
The lightest disc production frame ever. FACT 12r carbon frame and fork. 595 grams. Performance Endurance Geo
-
Aethos 2 Frameset
The lightest frame in its class. FACT 10r carbon frame and fork. 705 grams. Perfomance Endurance Geo
Overview
Overview
At a Glance
- Use: Performance Road Riding
- Frameset: 595g FACT 12r Frame / FACT 12r Fork
- Fit: Performance Endurance
- Cockpit & Wheels: Roval Alpinist Integrated Cockpit II and CLX III wheels
- Drivetrain: Shimano Dura-Ace Di2
- Weight: 6.05kg (56cm)
Technical Specifications
Technical Specifications
| Frame | S-Works Aethos 2 FACT 12r Carbon, Rider First Engineered™, Ceramic Speed SLT Headset Bearings, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc |
| Fork | S-Works Aethos 2 FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc |
| Front brake | Shimano Dura-Ace BR-R9270 hydraulic brake |
| Rear brake | Shimano Dura-Ace BR-R9270 hydraulic brake |
| Shift levers | Shimano Dura-Ace Di2 R9270, hydraulic disc |
| Front derailleur | Shimano Dura-Ace Di2 R9250, braze-on |
| Rear derailleur | Shimano Dura-Ace Di2 R9250, 12-speed |
| Cassette | Shimano Dura-Ace, 12-speed, 11-30t |
| Chain | Shimano XTR M9100, 12-speed w/ quick link |
| Crankset | Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter, 52/36t |
| Bottom bracket | Shimano Dura-Ace, BB-R9100 |
| Front tire | S-Works Turbo TLR Race Tire, 700x28c |
| Front wheel | Roval Alpinist CLX III, Tubeless, 33mm depth, 26.5 width, and 21mm internal width carbon rim, Roval LF21-F 21H hub with Sinc Ceramic Bearings, Roval by ARRIS Composite Aero Spoke with Ti end fittings |
| Rear tire | S-Works Turbo TLR Race Tire, 700x28c |
| Rear wheel | Roval Alpinist CLX III, Tubeless, 33mm depth, 26.5 width, and 21mm internal width carbon rim, Roval LF19-R 24H hub with Sinc Ceramic Bearings, Roval by ARRIS Composite Aero Spoke with Ti end fittings |
| Inner tubes | 700x25-35, 50mm Presta Valve, TPU |
| Handlebars | Roval Alpinist Cockpit II, Integrated Bar/Stem |
| Tape | Supacaz Super Sticky Kush |
| Saddle | S-Works Power with Mirror |
| Seatpost | Roval Alpinist Carbon Seatpost, light weight clamp |
| Seat binder | Specialized Alloy, 30.0mm, titanium bolt |
| Product id | 221562 |
| Weight | 6.05 kg (13 lb, 5.4 oz), tubeless |
| Weight size | 56 |
Parts are subject to change without notice. Chat with us if you have any questions.
Geometry
Geometry
All measurements provided in mm unless otherwise noted.
| Frame size | 49 | 52 | 54 | 56 | 58 | 61 |
| Crank Length | 165mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm |
| Handlebar Width | 380mm | 380mm | 400mm | 400mm | 420mm | 420mm |
| Stem Length | 80mm | 90mm | 100mm | 100mm | 110mm | 110mm |
| Saddle Width | 155mm | 155mm | 143mm | 143mm | 143mm | 143mm |
| Seatpost Length | 300mm | 300mm | 360mm | 360mm | 360mm | 360mm |
| Stack | 522mm | 538mm | 559mm | 580mm | 606mm | 627mm |
| Reach | 373mm | 377mm | 384mm | 391mm | 398mm | 404mm |
| Head Tube Length | 114mm | 128mm | 150mm | 169mm | 198mm | 218mm |
| Head Tube Angle (degrees) | 71.4° | 72.1° | 72.5° | 73° | 73° | 73.5° |
| BB Height | 265.5mm | 265.5mm | 267mm | 267mm | 268.5mm | 268.5mm |
| BB Drop | 76.5mm | 76.5mm | 75mm | 75mm | 73.5mm | 73.5mm |
| Trail | 62mm | 58mm | 55mm | 55mm | 55mm | 52mm |
| Fork Length, Full | 372mm | 372mm | 372mm | 372mm | 372mm | 372mm |
| Fork Rake/Offset | 50mm | 50mm | 50mm | 47mm | 47mm | 47mm |
| Front Center | 581mm | 584mm | 594mm | 599mm | 614mm | 621mm |
| Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
| Wheelbase | 978mm | 981mm | 992mm | 998mm | 1013mm | 1020mm |
| Top Tube Length, Horizontal | 508mm | 526mm | 544mm | 557mm | 572mm | 584mm |
| Bike Standover Height | 719mm | 737mm | 759mm | 779mm | 805mm | 834mm |
| Seat Tube Length | 450mm | 470mm | 490mm | 510mm | 535mm | 570mm |
| Seat Tube Angle (degrees) | 75.5° | 74.5° | 74° | 74° | 74° | 74° |
This Geometry Chart is provided by the Manufactuer. Chat with us if you have any questions.
Sizing
Sizing
| Height (in) | size |
|---|---|
| 61-64 | 49 |
| 64-67 | 52 |
| 67-69 | 54 |
| 69-71 | 56 |
| 71-74 | 58 |
| 74-77 | 61 |
| height (cm) | size |
|---|---|
| 155-163 | 49 |
| 163-170 | 52 |
| 170-175 | 54 |
| 175-180 | 56 |
| 180-188 | 58 |
| 188-196 | 61 |
Sizing to be used as a reference only. Chat with us if you have any questions.
Why Shop at Bike Mart?
-
Live Chat with Real People
Get instant advice and answers from our team of cycling experts through our online chat feature or over the phone.
-
Community-Focused
We have donated over a million dollars to support our communities through charity rides, bike rallies and advocacy for more bikeable trails in Texas.
-
Professional, Quality Assembly
Our bikes are expertly assembled and inspected by Bike Mart’s professionally trained staff. They ensure proper adjustments, tighten and true wheels, and get your bike ready to ride.
-
Our Legacy of Excellence
With 62 years of retail experience, Bike Mart brings unparalleled expertise and dedication to serving you.
-
10% off accessories with new bike purchase
Receive 10% off all accessories purchased with a new bike.
-
Hassle-Free Returns
Easily initiate returns for online orders with our straightforward return policy to shop with confidence.
-
Locally Owned & Operated
A family of cyclists who live and ride in your community—feel right at home.
-
Free accessory installation with new bike purchase
Let our experts install your accessories at no extra cost, ensuring everything fits perfectly and is ready for your ride!
