Specialized Aethos Pro Di2
Best premium road bike for discerning riders prioritizing lightweight performance and comfort.
This machine prioritizes pure ride quality and weight savings over traditional racing constraints, creating a sublime, responsive experience. It strips away the unnecessary to deliver a transcendent, supple feel that makes long days in the saddle feel effortless.
$8499.99
at
Red Rock Bicycle
More Aethos options
Who it's for
- Riders who frequently tackle steep climbs or value rapid acceleration
- Cyclists prioritizing comfort, precise handling, and an engaging road feel
- Performance-oriented riders seeking consistent, effortless, and accurate gear transitions
Who should skip it
- Budget-conscious cyclists or those seeking value in mid-range options
- Racers or speed enthusiasts prioritizing maximum aerodynamic efficiency on flats
- Adventurous cyclists desiring a single bike for diverse terrains and activities
Performance breakdown
Climbing Efficiency
Featherweight frame construction makes steep ascents feel effortless and snappy.
Handling Precision
Intuitive steering geometry offers razor-sharp control through technical descents.
Ride Compliance
Engineered for comfort, absorbing road chatter without sacrificing power transfer.
Shifting Performance
Shimano Ultegra Di2 delivers flawless, instantaneous gear changes every time.
Aerodynamic Integration
Clean cockpit design reduces drag while maintaining a classic aesthetic.
Versatility
Increased tire clearance allows for confident riding on varied road surfaces.
Key Specs
Frame
Aethos 2 FACT 10r Carbon, Rider First Engineered™, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc
Fork
Aethos 2 FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc
Wheels
Roval Alpinist CL II, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes, Tubeless Ready
Tires
S-Works Turbo TLR Race Tire, 700x28c
Bottom Bracket
Shimano Threaded BSA BB
Crankset
Shimano Ultegra R8100, 52/36t
Shifters
Shimano Ultegra Di2 R8170, hydraulic disc
Front Derailleur
Shimano Ultegra Di2 R8150, braze-on
Rear Derailleur
Shimano Ultegra Di2 R8150, 12-speed
Cassette/Freewheel
Shimano Ultegra, 12-speed, 11-30t
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