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1957971 / 54293749170522

Product Details

Specialized Aethos 2 Pro Force AXS Road Bike 

The Specialized Aethos Pro Force AXS Road Bike was created to free the rider, delivering a pure and timeless riding experience where effort disappears and rider and machine move as one.

Specialized Aethos 2 Refined Geometry

The Aethos 2 refines geometry, increases tyre clearance, and introduces new Roval components while retaining the sublime ride feel that defined the original. Every improvement was made to extend the experience to more riders without compromise. Drawing on decades of Body Geometry data, the Aethos 2 offers a fit that suits more riders than ever. A taller stack, longer wheelbase, slacker head tube, and lower bottom bracket combine for stable handling, greater comfort, and improved control.

Specialized Flow State Design

Born from the discovery of how frames flex under load, Flow State Design optimises tube shapes rather than adding stiffness layers. The result is a lighter frame with improved ride quality, greater structural integrity, and unmatched durability.

Specialized Aethos 2 Greater Clearance

The Aethos 2 clears 35 mm tyres with ease, adding versatility and comfort without increasing weight. Achieving this required an entirely new carbon layup, perfected through countless refinements for the most elegant ride yet.

Roval Alpinist Components

The updated Alpinist cockpit and wheels complement the Aethos perfectly. At just 270 g, the Alpinist Cockpit II is more ergonomic, comfortable, and responsive, while the Alpinist CLX III wheels are lighter, stronger, and more durable.

Specialized Aethos 2 Lightness with Strength

Despite its feathery weight of 705 g, the frame endures testing far beyond industry standards, withstanding over 100,000 pedal strokes at 2,377 watts without issue. Lightness meets strength in perfect balance.

Features
  • 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
  • Front Brake: SRAM Force E1, Hydraulic Disc
  • Rear Brake: SRAM Force E1, Hydraulic Disc
  • Shift Levers: SRAM Force AXS E1
  • Front Derailleur: SRAM Force AXS E1, Braze-On
  • Rear Derailleur: SRAM Force AXS E1, 12-Speed
  • Cassette: SRAM Force, 12-Speed, 10-33t
  • Chain: SRAM Force, 12-Speed
  • Crankset: SRAM Force E1 with Power Meter, 48/35t
  • Bottom Bracket: SRAM DUB BSA 68
  • Front Wheel: 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
  • Front Tyre: S-Works Turbo TLR Race Tire, 700x28c
  • Rear Wheel: 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
  • Rear Tyre: S-Works Turbo TLR Race Tire, 700x28c
  • Inner Tubes: 700x25-35, 50mm Presta Valve, TPU
  • Handlebars: Roval Alpinist Cockpit II, Integrated Bar/Stem
  • Tape: Supacaz Super Sticky Kush
  • Saddle: Power Pro Mirror, Hollow Ti Rails
  • Seatpost: Roval Alpinist Carbon Seatpost
  • Seat Binder: Specialized Alloy, 30mm
  • Claimed Weight: 6.71 kg (14 lb 12.7 oz)
  • Weight Size: 56
Specifications
Model
Aethos 2 Pro Force AXS
Bottom Bracket [Maker]
SRAM
Bottom Bracket Standard
BSA
Brakes [Kind]
Hydraulic Disc
Brakes [Maker]
SRAM
Brakes [Model]
Force E1
Cassette [Gearing]
10-33
Cassette [Maker]
SRAM
Cassette [Model]
Force XG-1270
Chain [Maker]
SRAM
Chain [Model]
Force Flattop E1
Chainring [Gearing]
48/35
Crank [Maker]
SRAM
Crank [Model]
Force E1
Discipline Compatibility
Road
E-Bike
No
Family
Aethos
FD [Maker]
SRAM
FD [Model]
Force AXS E1
Fenders Mounts
No
Fork [Axle Diameter]
12 mm
Fork [Axle Type]
Thru-Axle
Fork [Brake Type]
Disc
Fork [Maker]
Specialized
Fork [Material]
Carbon
Fork [Model]
Aethos 2 FACT 10r Carbon
Fork [Wheel Size]
700c
Frame [Hanger Standard]
UDH
Frame [Material]
Carbon
Frame [Tire Clearance]
3.5" mm
Frameset
No
Gearing [Configuration]
2x
Gearing [Kind]
Conventional
Gender
Unisex
Handlebar [Kind]
Drop
Handlebar [Maker]
Roval
Handlebar [Material]
Carbon
Handlebar [Shape]
Drop bar
Power Meter [Maker]
SRAM
Power Meter [Model]
Force AXS
Rack Mounts
No
RD [Maker]
SRAM
RD [Model]
Force AXS E1
Saddle [3D Printed]
Yes
Saddle [Maker]
Specialized
Seatpost [Kind]
Rigid
Seatpost [Maker]
Roval
Seatpost [Material]
Carbon
Shifters [Maker]
SRAM
Shifters [Model]
Force AXS E1
Shifting
Electronic
Sub Family
Aethos 2
Suspension Configuration
Rigid
Tires [Maker]
Specialized
Tires [Width]
28 mm
Wheels [Configuration]
Front+Rear
Wheels [Kinds]
Tubeless Ready
Wheelset [Inner Width]
21 mm
Wheelset [Maker]
Roval
Wheelset [Material]
Carbon
Wheelset [Model]
Alpinist CL II
Product code
1957971 / 54293749170522
Size Guide
Size495254565861
Stack (MM)522538559580606627
Reach (MM)373377384391398404
Head Tube Length (MM)114128150169198218
Head Tube Angle 71.4°72.1°72.5°73°73°73.5°
BB Height (MM)266266267267269269
BB Drop (MM)75.576.5757573.573.5
Trail (MM)625855555552
Fork Length (MM)372372372372372372
Fork Offset (MM)505050474747
Front Centre (MM)581584594599614621
Chainstay Length (MM)410410410410410410
Wheelbase (MM)97898199299810131020
Toptube Horizontal Length (MM)508526544557572584
Standover Height (MM)719737759779805834
Seat Tube Length (MM)450470490510535570
Seat Tube Angle75.5°74.5°74°74°74°74°
Reviews
Rating 5 out of 5
5
Rating 5 out of 5
Anonymous,
Verified purchaser
Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

Q & A

1 question

  1. Is there an option when purchasing to switch out the 48/35 + 10–33 gearing for 46/33 + 10–36? Like the Trek Domane SLR has?

    Asked by Shane (Cornwall)

    No answers yet.

About Specialized

Innovate or die.

Founded in California in 1974, Specialized began with a simple promise: serious riders deserve serious gear. Half a century later, the brand still funds its own wind tunnel, builds its own carbon, and tests every bike with the world's best so that you ride your own best.

The first production mountain bike. The first cycling-specific shoes. FACT carbon, the Win Tunnel, S-Works. Specialized has a habit of building the things the rest of cycling ends up copying.