Specialized S-Works Aethos Road Bike Description:
The Aethos line promises riders three things—an exceptionally lightweight frame, perfectly balanced ride characteristics, and undeniable style. S-Works Aethos FACT 12R frames leverage decades of carbon fiber construction experience in the pursuit of crafting the lightest frame possible with zero compromises so each bike exhibits an exceptional balance between a comfortable riding position, confident handling, efficient power transfer, and a smooth ride. Every detail, from derailleur hangers to the fork expander plug has been designed with style, weight, and durability in mind, assuring each ride is backed with confidence that will have you completing all-day efforts with the same prowess as a spirited lunch ride. Spec’d with SRAM Red eTap AXS wireless shifter levers that deliver clean, crisp shifts, powerful all-weather hydraulic disc brakes, plus featherlight Roval Alpinist CLX II wheels, and you’re left with a bike that will enable you to push your riding to new heights.
Features:
- Premium road bike with ultra-light frame and extremely precise shifting thanks to an electronic drivetrain build
- Advanced carbon fiber construction utilizing Specialized’s Rider First Engineered philosophy crafts a bike that flies uphill’s and out of corners like there is a hidden motor attached while also absorbing road vibrations and imperfections in the road surface, resulting in less rider fatigue and better overall endurance
- Geometry balances nimble handling with high speed stability, and places the rider in a comfortable, powerful position that makes it easier for a rider to reach their performance potential from the start of the ride all of the way to the finish line
- Internal brake hydraulic housing reduces aerodynamic drag and leaves the Aethos with a super clean appearance
- SRAM RED AXS electronic drivetrain uses advanced materials and construction to shave weight wherever possible without any compromises to performance or durability, and provides precise, lightning fast shifting at the push of a button
- Hydraulic disc brakes have the power and consistency to deliver confidence inspiring speed control regardless of how hilly the bike route is or whatever the weather conditions are
- Roval Alpinist CLX II wheels are tubeless ready so they will accept any tubeless or tubed type tire, and the combination of an ultra-light carbon rim, DT Swiss Aerolite Spokes, and easy rolling Roval hubs means these wheels will make the bike boogie with the slightest push of the pedals
- Featherlight S-Works Power saddle with Mirror technology generates superior sit bone support, and the saddle shape and surface contouring work together to take pressure off of soft tissues and blood vessels for dramatically less numbness and discomfort
- Roval Alpinist Carbon seatpost further saves weight and provides extra vibration control so a rider has less fatigue over the course of the bike ride
Specifications:
- Frame: S-Works Aethos FACT 12R Carbon (Rider First Engineered) (Threaded Bottom Bracket) (Electronic Cable Routing Only) (12 x 142mm Thru Axle) (Flat Mount Disc)
- Fork: S-Works FACT Carbon (Flat Mount Disc) (12 x 100mm Thru Axle)
- Headset: 1-1/8″ Tapered
- Handlebar: S-Works Short & Shallow (125mm Drop) (75mm Reach) (w/ Di2 Hole)
- Bar Tape: Supacaz Super Sticky Kush
- Stem: Roval Alpinist (Alloy) (Titanium Bolts) (6°)
- Shift Levers: SRAM RED AXS
- Brakes: SRAM RED AXS (Hydraulic Disc) (Flat Mount) (160mm Front & Rear)
- Front Derailleur: SRAM RED AXS (Braze-On)
- Rear Derailleur: SRAM RED AXS (12-Speed)
- Crankset: SRAM RED AXS (Power Meter) (48/35T)
- Bottom Bracket: SRAM DUB (Threaded BSA)
- Cassette: SRAM RED XG-1290 (12-Speed) (10-33T)
- Chain: SRAM RED (12-Speed)
- Pedals: –
- Saddle: S-Works Body Geometry Power w/ Mirror (7x9mm Ovalized Carbon Rails)
- Seatpost: Roval Alpinist Carbon Seatpost
- Front Wheel: Roval Alpinist CLX II (33mm Depth) (21mm Internal Width) (Tubeless Ready) (Roval LFD Hub) (DT Swiss Aerolite Spokes ) (12 x 100mm) (21H)
- Rear Wheel: Roval Alpinist CLX II (33mm Depth) (21mm Internal Width) (Tubeless Ready) (Roval LFD Hub) (DT Swiss Aerolite Spokes ) (12 x 142mm) (24H)
- Tires: S-Works Turbo (Folding Bead) (2Bliss Ready) (700 x 28mm)
- Model Year: 2025
- Color: Satin Doppio/Gunmetal Dry Brushed/Gold Pearl
- Weight: 13 lb, 15.6 oz (56cm)



























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