Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Specialized
2025 Specialized Aethos Comp, Shimano 105 Di2
Value Guide market data · 2025 Specialized Aethos Comp, Shimano 105 Di2
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2025 Aethos Comp, Shimano 105 Di2 lineup
Overview
About this bike
2025 Specialized Aethos Comp, Shimano 105 Di2 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- FACT Carbon, 12x100mm thru-axle, flat-mount disc
- Frame
- Aethos FACT 9R Carbon, Rider First Engineere, Threaded BB, 12x142mm thru-axle, flat-mount disc
Drivetrain
- Groupset
- Shimano 105
- Bottom Bracket
- Shimano Threaded BSA BB
- Cassette
- Shimano 105, 12-speed, 11-34t
- Chain
- Shimano SLX M7100, 12-speed w/ quick link
- Chainrings
- 50/34T
- Crankset
- FC-R7100, 105, 12-Speed, Holllowtech 2
- Front Derailleur
- Shimano 105 Di2 7150, braze on
- Rear Derailleur
- Shimano 105 Di2 7150
- Shifters
- Shimano 105 Di2 7170
Brakes
- Brakes
- Shimano 105 R7170, hydraulic disc
- Rotors
- Front: 160mm , Rear: 140mm
Cockpit
- Handlebar
- Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp
- Saddle
- Body Geometry Power Sport, steel rails
- Seatpost
- Roval Alpinist Carbon Seatpost
- Stem
- Specialized Pro SL, alloy, 4-bolt
- Grips
- SUPACAZ Super Sticky Kush
Wheels & Tires
- Front Tire
- Turbo Pro, 700x28
- Rear Tire
- Turbo Pro, 700x28
- Wheel Set
- Front: DT R470 Disc , Rear: DT R470 Disc
- Wheel Size
- 700c
Pedals
- Pedals
- Sold Seperately
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.