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Specialized2025

2025 Specialized Aethos 2 Expert

Road

The 2025 Specialized Aethos 2 Expert 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 Expert build comes with SRAM Force AXS E1 shifting and Roval C38 wheels.

Checked .

Key facts

Model year
2025
Frame
Expert
Type
Road
Wheels
Roval C38
Geometry
Complete for every size
Checked

Geometry by size

2025 Specialized Aethos 2 Expert geometry drawing, size 54Side view of the 2025 Specialized Aethos 2 Expert 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 150mmG 490mmN 267mmL 759mm
Geometry drawing, size 54, to scale.
2025 Specialized Aethos 2 Expert geometry by size
Measurement495254565861
Reach(mm)373377384391398404
Stack(mm)522538559580606627
Head tube angle(°)71.472.172.5737373.5
Seat tube angle(°)7474747475.574.5
Effective top tube(mm)508526544557572584
Chainstay length(mm)410410410410410410
Wheelbase(mm)97898199299810131020
BB drop(mm)76.576.5757573.573.5
BB height(mm)265.5265.5267267268.5268.5
Standover(mm)719737759779805834
Seat tube length(mm)450470490510535570
Head tube length(mm)114128150169198218
Sources agree

Stock build

17 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
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 DUB GX
Bottom bracketFrom the manufacturer: Weight 67 g

Wheels & Tires

Wheelset
S Works Turbo
Tire

Brakes

SRAM Force E1
Brake
Shimano Ultegra R8170
Rotor

Cockpit

Roval Alpinist
HandlebarClamp diameter 31.8mmWidth ~400mmWeight ~167 g

Seatpost & Saddle

SaddleWeight ~235 g

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Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2025 Specialized Aethos 2 Expert?
Geometry is listed for 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2025 Specialized Aethos 2 Expert in size 56?
In size 56, reach is 391 mm and stack is 580 mm.
What is the head tube angle of the 2025 Specialized Aethos 2 Expert?
The head tube angle is 73 degrees in size 56.
What does the 2025 Specialized Aethos 2 Expert ship with?
The stock build includes Specialized Aethos 2, SRAM Force AXS E1, Roval C38, and SRAM Force E1.
Which years of the Specialized Aethos 2 are on Quiver?
Quiver has the Specialized Aethos 2 for 2025, 2027, 2026, and 2024.

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