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Ride farther and faster with the Specialized Aethos Sport Shimano 105 Road Bike. Lightweight carbon frame, hydraulic disc brakes, and Shimano 105 drivetrain deliver precision, comfort, and performance on iconic routes like Alpe d’Huez, Stelvio Pass, and the Pacific Coast Highway.
Ride farther and faster with the Specialized Aethos Sport Shimano 105 Road Bike. Lightweight carbon frame, hydraulic disc brakes, and Shimano 105 drivetrain deliver precision, comfort, and performance on iconic routes like Alpe d’Huez, Stelvio Pass, and the Pacific Coast Highway.
Specialized

2025 Specialized Aethos Sport Shimano 105 Road Bike - Gloss Fog Tint - 54cm

£2,299.00 £3,250.00 29% off
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

2025 Specialized Aethos Sport Shimano 105 Road Bike - Gloss Fog Tint - 54cm

Season:2025

Brand:Specialized

Code:42215685433038

The Aethos is not built for sport, it's built for the love of all things cycling. Experience the ultimate blend of lightweight road bike performance, precision handling, and aerodynamic style with the Specialized Aethos Sport Shimano 105 Road Bike. Designed for riders who crave the perfect ride experience, this carbon road bike delivers exceptional stiffness, balanced geometry, and all-day comfort, ideal for tackling iconic climbs like Alpe d’Huez, Mount Ventoux, or the Stelvio Pass, as well as rolling through scenic rides like Route des Grandes Alpes and the Pacific Coast Highway.

  • Shimano 105 mechanical 22-speed drivetrain for smooth, reliable shifting
  • Hydraulic disc brakes for all-weather stopping power
  • DT Swiss R470 Disc wheels for lightweight performance and durability
  • Roval Alpinist carbon seatpost for improved comfort and reduced weight
  • Advanced carbon frame optimised for stiffness, balance, and ride quality
  • Ideal for climbing, descending, and long-distance endurance rides

The Aethos Sport features Shimano 105 mechanical shifting for crisp, reliable gear changes, and hydraulic disc brakes for precise stopping power in any conditions. Paired with DT Swiss R470 Disc wheels and Roval’s lightweight Alpinist carbon seatpost, this road bike combines durability, speed, and responsiveness, letting you ride confidently from steep technical descents to long, endurance-focused tours.

Built with decades of Specialized carbon innovation, the Aethos Sport frame uses advanced layup techniques for lightweight strength, optimised ride quality, and vibration-damping comfort. Every detail, from derailleur hangers to fork expander plugs, has been engineered to balance performance, reliability, and style. Whether you’re training for a Gran Fondo, classic road race, or weekend sportive, the Aethos Sport gives you the confidence, efficiency, and excitement to ride farther and faster.

Technical Information
  • FRAME
    Aethos FACT 9R Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc
  • FORK
    FACT Carbon, 12x100mm thru-axle, flat-mount disc
  • HANDLEBARS
    Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp
  • STEM
    Specialized Pro SL, alloy, 4-bolt
  • TAPE
    Supacaz Super Sticky Kush
  • SADDLE
    Body Geometry Power Sport, steel rails
  • SEATPOST
    Roval Alpinist Carbon Seatpost
  • SEAT BINDER
    Specialized Alloy, 30mm
  • FRONT BRAKE
    Shimano 105, Hydraulic disc
  • REAR BRAKE
    Shimano 105, Hydraulic disc
  • FRONT DERAILLEUR
    Shimano 105, Braze-on
  • REAR DERAILLEUR
    Shimano 105, 12 speed Mechanical
  • CRANKSET
    FC-R7100, 105, 12-Speed, Holllowtech 2
  • CHAIN
    Shimano SLX, M7100, 12-speed
  • CASSETTE
    Shimano 105, 12-speed, 11-34t
  • BOTTOM BRACKET
    Shimano Threaded BSA BB
  • SHIFT LEVERS
    Shimano 105, 12 speed Mechanical
  • CHAINRINGS
    50/34T
  • FRONT WHEEL
    WH-DT R470 DISC (2025)
  • REAR WHEEL
    WH-DT R470 DISC (2025)
  • FRONT TYRE
    Turbo Pro, 700x28
  • REAR TYRE
    Turbo Pro, 700x28
  • INNER TUBES
    Presta Valve Standard, 48mm valves
  • WEIGHT
    7.76kg (17 lb, 1.7 oz)
  • 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 Drop74mm74mm72mm72mm72mm72mm
BB Height266mm266mm268mm268mm268mm268mm
Bike Standover Height705mm728mm748mm769mm796mm824mm
Chainstay Length410mm410mm410mm410mm410mm410mm
Fork Length, Full369mm369mm369mm369mm369mm369mm
Fork Rake/Offset47mm47mm44mm44mm44mm44mm
Front Centre574mm577mm579mm591mm606mm613mm
Head Tube Angle71.75°72.5°73°73.5°73.5°74°
Head Tube Length109mm120mm137mm157mm184mm204mm
Reach375mm380mm384mm395mm402mm408mm
Seat Tube Angle75.5°74°74°73.5°73.5°73°
Seat Tube Length431mm462mm481mm504mm532mm567mm
Stack514mm527mm544mm565mm591mm612mm
Top Tube Length, Horizontal508mm531mm540mm562mm577mm595mm
Trail63mm58mm58mm55mm55mm52mm
Wheelbase973mm975mm978mm991mm1005mm1012mm
Crank Length165mm170mm172.5mm172.5mm175mm175mm
Handlebar Width380mm400mm420mm420mm440mm440mm
Stem Length80mm90mm100mm100mm110mm110mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length300mm300mm360mm360mm360mm360mm
Professional Opinion
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