Quiver

Specialized2026

2026 Specialized Aethos 2 Pro

Road

The 2026 Specialized Aethos 2 Pro sits in the middle of the range for road bikes, with a shorter rear center. Reach 373 to 404 mm, stack 522 to 627 mm. The Aethos 2 Pro build comes with SRAM Force AXS E1 shifting and Roval Alpinist CL II wheels.

Source: specialized.com. Checked .

Key facts

Model year
2026
Frame
Pro
Type
Road
Geometry
Complete for every size
Source
specialized.com
Checked

Geometry by size

2026 Specialized Aethos 2 Pro geometry drawing, size 54Side view of the 2026 Specialized Aethos 2 Pro frame in size 54, drawn to scale from its published geometry, with lettered dimension lines.J 992A 384mmB 559mmJ 992mmH 410mmK 75mmC 544mmD 72.5°E 74.0°F 150mm
Geometry drawing, size 54, to scale.
2026 Specialized Aethos 2 Pro geometry by size
Measurement495254565861
Reach(mm)373377384391398404
Stack(mm)522538559580606627
Head tube angle(°)71.472.172.5737373.5
Seat tube angle(°)75.574.574747474
Effective top tube(mm)508526544557572584
Chainstay length(mm)410410410410410410
Wheelbase(mm)97898199299810131020
BB drop(mm)75.5 (from the manufacturer)76.5757573.573.5
Head tube length(mm)114128150169198218
Sources agreeManufacturer

Stock build

18 parts

Frame

Specialized Aethos 2
FrameFrom the manufacturer: Weight 705 g

Drivetrain

SRAM Force AXS E1
ShifterFrom the manufacturer: Actuation type Electronic
DerailleurFrom the manufacturer: Speeds 12From the manufacturer: Actuation type ElectronicFrom the manufacturer: Mount type Braze-on / Clamp
Cassette
ChainSpeeds 12From the manufacturer: Compatibility AXS
SRAM Force E1 XPLR 1x
CranksetFrom the manufacturer: Spindle / BB interface DUBFrom the manufacturer: Speeds 1
SRAM Force E1
ChainringFrom the manufacturer: Material Aluminum
SRAM Force E1
ChainringFrom the manufacturer: Material Aluminum
SRAM DUB GX
Bottom bracketFrom the manufacturer: Weight 67 g

Wheels & Tires

WheelsetFrom the manufacturer: Internal rim width 21mmFrom the manufacturer: Rim material CarbonFrom the manufacturer: Tubeless ready
Specialized Turbo TLR Race
TireFrom the manufacturer: Tubeless ready

Brakes

SRAM Force E1
Brake
SRAM Force E1
Rotor

Cockpit

Roval Alpinist Cockpit II
HandlebarFrom the manufacturer: Width 400mmFrom the manufacturer: Material Carbon
Roval Alpinist Cockpit II
StemFrom the manufacturer: Material Carbon

Seatpost & Saddle

Roval Alpinist Carbon S-Works
SeatpostFrom the manufacturer: Material Carbon

Keep your Aethos 2 Pro in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2026 Specialized Aethos 2 Pro?
Geometry is listed for 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2026 Specialized Aethos 2 Pro in size 56?
In size 56, reach is 391 mm and stack is 580 mm.
What is the head tube angle of the 2026 Specialized Aethos 2 Pro?
The head tube angle is 73 degrees in size 56.
What does the 2026 Specialized Aethos 2 Pro ship with?
The stock build includes Specialized Aethos 2, SRAM Force AXS E1, Roval Alpinist CL II, and SRAM Force E1.
Which years of the Specialized Aethos 2 are on Quiver?
Quiver has the Specialized Aethos 2 for 2026, 2027, 2025, and 2024.

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet

Quiver keeps track of the bikes you own.

Free on App StoreFree on Google Play