Specialized Headset No.42
Best reliable replacement for cyclists seeking smooth and durable steering performance.
This replacement headset restores steering precision and smoothness to mountain and electric mountain bikes. It includes all necessary components for a complete overhaul, ensuring a reliable fit and consistent performance on the trail.
$31.99
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Who it's for
- Specialized owners seeking a guaranteed factory-spec fit
- All-weather cyclists requiring reliable performance in harsh conditions
- Performance riders prioritizing sharp and predictable bike control
Who should skip it
- Custom builders working with non-standard or older frame geometries
- Budget-conscious mechanics looking for the most affordable replacement parts
- Home mechanics without access to professional-grade workshop tools
Performance breakdown
Steering Precision
Angular contact bearings deliver crisp, predictable handling on technical terrain.
Build Durability
Rugged aluminum construction withstands the rigors of aggressive mountain biking.
Installation Ease
Complete kit design simplifies the process for home mechanics.
Bearing Smoothness
High-quality seals ensure consistent, friction-free rotation over time.
Compatibility Range
Perfect fit for specific Specialized models, but limited to proprietary frames.
Weight Efficiency
Lightweight aluminum build keeps the front end nimble without sacrificing strength.
Key Specs
Material
Aluminum
Upper Bearing
TH MR121 1-1/8 45°x45° K9
Lower Bearing
TH MR170 1.5 45°x45 J9
Weight
70.87 grams
Compatibility
1-1/8 inch to 1.5 inch
Bearing Type
Angular Contact
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