Specialized Aethos/Tarmac SL8 Front Derailleur Mount Kit
Best essential hardware for cyclists building high performance road bikes.
A critical replacement part that restores factory-spec shifting precision to high-performance road frames. The integrated wire routing channel ensures a clean, professional aesthetic for electronic drivetrain setups.
$31.99
Who it's for
- Cyclists building a custom Aethos or Tarmac SL8 frame
- Weight-conscious riders prioritizing every gram of their build
- Performance racers requiring dependable gear changes during intense efforts
Who should skip it
- Owners of non-Specialized bikes looking for universal mounting solutions
- Minimalist riders committed to a single-chainring configuration
- Home mechanics without experience in precise derailleur indexing
Performance breakdown
Fit Precision
Factory-spec tolerances ensure a seamless, wobble-free interface with your frame.
Installation Simplicity
Straightforward design makes swapping or upgrading a quick, stress-free task.
Cable Management
Integrated notch keeps electronic wiring tucked away for a clean aesthetic.
Structural Rigidity
Maintains necessary stiffness for crisp, reliable front shifting under load.
Hardware Completeness
Includes every bolt and piece needed to finish the job immediately.
Compatibility Specificity
Engineered exclusively for the Aethos and Tarmac SL8 platform requirements.
Key Specs
Compatibility
Specialized Aethos (2024), Specialized Tarmac SL8 (2024)
Part Type
Front Derailleur Mount
Derailleur Position
Front
Compatible Drivetrain Brand
Shimano
Mounting Type
Bolt-on
Bike Type
Road Bike
Model Number
S221900002
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