FSA NO.55R Headset
Best reliable steering for performance oriented cyclists.
A reliable tapered headset solution for frames requiring a 61mm outer diameter. It bridges the gap between standard steerer sizes, ensuring smooth steering and long-term durability for your front end.
$45.00
More NO.55 options
Who it's for
- Cyclists seeking a dependable, long-lasting component for their bike.
- Riders prioritizing precise control and fluid steering feel.
- Bike builders and owners upgrading or assembling modern frames.
Who should skip it
- Owners of older or non-tapered head tube frames.
- Beginner mechanics or those without proper bike tools.
- Budget-conscious cyclists looking for entry-level components.
Performance breakdown
Steering Precision
Tapered design significantly reduces front-end flex during aggressive cornering.
Bearing Durability
High-grade seals keep grit and moisture out for long-term reliability.
Installation Compatibility
Specific 61mm sizing limits fitment to very particular frame standards.
Weight Efficiency
Lightweight construction minimizes rotational mass without sacrificing structural integrity.
Smoothness of Rotation
Delivers a buttery, consistent feel even under heavy load conditions.
Build Quality
Robust materials ensure a secure, creak-free interface for your fork.
Key Specs
Headset Type
1-1/8 to 1.5 inches
Head Tube Inner Diameter
61 mm
Steerer Tube Diameter
1.5 inches
Know before you buy
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