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Specialized Aethos 2 FACT 10r carbon road bike frameset with ultra-light 705g frame, FACT carbon fork, and Roval Alpinist seatpost. A premium lightweight frameset designed for custom road bike builds, climbing performance, and endurance road cycling.
Specialized Aethos 2 FACT 10r carbon road bike frameset with ultra-light 705g frame, FACT carbon fork, and Roval Alpinist seatpost. A premium lightweight frameset designed for custom road bike builds, climbing performance, and endurance road cycling.
Specialized

2026 Specialized Aethos 2 FACT 10r Carbon Road Bike Frameset - Satin Nebula

£3,499.00
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 Specialized Aethos 2 FACT 10r Carbon Road Bike Frameset - Satin Nebula

Season:2026

Brand:Specialized

Code:42215615446330

The Specialized Aethos 2 FACT 10r Carbon Road Bike Frameset is engineered for riders seeking the ultimate combination of lightweight performance, exceptional ride quality, and modern road bike geometry. With an impressively light 705g FACT 10r carbon frame, the Aethos 2 sits among the lightest road bike frames in its class, delivering the perfect balance of stiffness, compliance, and responsiveness for serious road cycling enthusiasts.

  • Ultra-light 705g FACT 10r carbon road bike frame
  • FACT 10r carbon fork for responsive steering and control
  • Roval Alpinist carbon seatpost included
  • Performance endurance geometry for long-distance road cycling
  • Increased tyre clearance for improved comfort and versatility
  • Ideal platform for a custom lightweight road bike build

Designed to provide the purest road riding experience, the Aethos 2 frameset is built using advanced carbon layup technology that optimises power transfer, handling precision, and long-distance comfort. The refined performance endurance geometry ensures confident handling whether climbing steep hills, descending technical roads, or tackling long endurance rides and sportive events.

The frameset includes a FACT 10r carbon fork for precise steering and control, along with the Roval Alpinist carbon seatpost, further reducing weight while improving ride comfort and vibration damping. Increased tyre clearance adds versatility, allowing riders to run wider road tyres for improved grip, stability, and comfort on rougher roads.

Whether you're building a custom lightweight climbing bike, endurance road bike, or premium carbon road build, the Specialized Aethos 2 FACT 10r frameset provides a high-performance platform designed for speed, efficiency, and timeless road bike aesthetics.


Contact us to discuss building your dream Specialized Aethos 2 Road Bike to give you the freedom to choose a spec that suits you and your rides.


Build your next high-performance road bike with the Specialized Aethos 2 Frameset, the lightest, most refined frame in its class, created for riders who love the road.

Technical Information
  • 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
  • Seatpost
    Roval Alpinist Carbon Seatpost
  • Seat Binder
    Specialized Alloy, 30mm
  • Weight
    1.37 kg (3 lb, 0.3 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 frame 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
Seatpost Length300mm300mm360mm360mm360mm360mm
Professional Opinion
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