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Ride the S-Works Aethos 2 Shimano Dura-Ace Di2 Road Bike, ultra-light 595g FACT 12r carbon frame, Dura-Ace Di2 electronic shifting, and Roval Alpinist CLX III wheels. Engineered for performance road riding and endurance, perfect for UK climbs like the Cat and Fiddle, and scenic South Downs rides.
Ride the S-Works Aethos 2 Shimano Dura-Ace Di2 Road Bike, ultra-light 595g FACT 12r carbon frame, Dura-Ace Di2 electronic shifting, and Roval Alpinist CLX III wheels. Engineered for performance road riding and endurance, perfect for UK climbs like the Cat and Fiddle, and scenic South Downs rides.
Specialized

2026 S-Works Aethos 2 Shimano Dura-Ace Di2 Road Bike - Gloss Premium Fjord

£11,499.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

2026 S-Works Aethos 2 Shimano Dura-Ace Di2 Road Bike - Gloss Premium Fjord

Season:2026

Brand:Specialized

Code:42215625446328

Experience the pinnacle of road cycling with the S-Works Aethos 2 Shimano Dura-Ace Di2 Road Bike. Featuring the world’s lightest production road frame at just 595g FACT 12r carbon, this bike is engineered for exceptional responsiveness, smooth handling, and sublime ride quality. Designed for performance road riding and endurance events, the Aethos 2 delivers unmatched precision and efficiency, whether you’re conquering iconic climbs like the Cat and Fiddle, or enjoying rolling roads along the Camel Trail.

  • Ultra-light 595g FACT 12r carbon frameset and fork
  • Shimano Dura-Ace Di2 electronic drivetrain for flawless shifting
  • Roval Alpinist CLX III wheels with integrated cockpit for lightweight efficiency
  • Performance endurance geometry with increased tire clearance for long rides
  • Ideal for UK cycling routes including Box Hill, Cat and Fiddle, Yorkshire Dales, South Downs Way, and Camel Trail
  • Total weight: 6.05kg (56cm)

The Aethos 2 combines its ultra-light carbon frame with Shimano Dura-Ace Di2 electronic shifting for crisp, effortless gear changes, while Roval Alpinist CLX III wheels with integrated cockpit enhance aerodynamic performance and lightweight handling. With increased tire clearance, fit-optimised geometry, and refined components, it offers control, comfort, and confidence on technical descents, fast flats, and long UK backroad rides.

Every detail, from FACT 12r carbon layup to integrated cockpit and derailleur hangers, has been engineered for the perfect balance of lightweight performance, ride quality, and durability, making the S-Works Aethos 2 the ultimate road bike for club rides, Gran Fondos, and classic cycling routes. Total bike weight is just 6.05kg (56cm), making it a light, responsive, and confidence-inspiring ride.

Technical Information
  • Frame
    S-Works Aethos 2 FACT 12r Carbon, Rider First Engineered™, 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
  • Saddle
    S-Works Power with Mirror
  • Seatpost
    Roval Alpinist Carbon Seatpost, light weight clamp
  • Handlebars
    Roval Alpinist Cockpit II, Integrated Bar/Stem
  • Seat Binder
    Specialized Alloy, 30.0mm, titanium bolt
  • Tape
    Supacaz Super Sticky Kush
  • Front Brake
    Shimano Dura-Ace BR-R9270 hydraulic brake
  • Rear Brake
    Shimano Dura-Ace BR-R9270 hydraulic brake
  • Chain
    Shimano XTR M9100, 12-speed w/ quick link
  • Cassette
    Shimano Dura-Ace, 12-speed, 11-30t
  • Bottom Bracket
    Shimano Dura-Ace, BB-R9100
  • 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
  • Crankset
    Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter, 52/36t
  • Inner Tubes
    700x25-35, 50mm Presta Valve, TPU
  • Front Tyre
    S-Works Turbo TLR Race Tyre, 700x28c
  • Rear Tyre
    S-Works Turbo TLR Race Tyre, 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 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
  • Weight
    6.05 kg (13 lb, 5.4 oz), tubeless
  • Weight Size
    56cm
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying. Please note that this bike does not come with pedals.
Sizing Information

SIZING

Size in ft5'1" - 5'4"5'4" - 5'7"5'7" - 5'9"5'9" - 5'11"5'11" - 6'2"6'2" - 6'5"
Size in cm155 - 163cm163 - 170cm170- 175cm175 - 180cm180 - 188cm188 - 196cm
Bike Size495254565861

GEOMETRY

Size49cm52cm54cm56cm58cm61cm
BB Drop76.5mm76.5mm75mm75mm73.5mm73.5mm
BB Height265.5mm265.5mm267mm267mm268.5mm268.5mm
Bike Standover Height719mm737mm759mm779mm805mm834mm
Chainstay Length410mm410mm410mm410mm410mm410mm
Fork Length, Full372mm372mm372mm372mm372mm372mm
Fork Rake/Offset50mm50mm50mm47mm47mm47mm
Front Centre581mm584mm594mm599mm614mm621mm
Head Tube Angle71.4°72.1°72.5°73°73°73.5°
Head Tube Length114mm128mm150mm169mm198mm218mm
Reach373mm377mm384mm391mm398mm404mm
Seat Tube Angle75.5°74.5°74°74°74°74°
Seat Tube Length450mm470mm490mm510mm535mm570mm
Stack522mm538mm559mm580mm606mm627mm
Top Tube Length, Horizontal508mm526mm544mm557mm572mm584mm
Trail62mm58mm55mm55mm55mm52mm
Wheelbase978mm981mm992mm998mm1013mm1020mm
Crank Length165mm170mm172.5mm172.5mm175mm175mm
Handlebar Width380mm380mm400mm400mm420mm420mm
Stem Length80mm90mm100mm100mm110mm110mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length300mm300mm360mm360mm360mm360mm
Professional Opinion
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