FSA Hammer Threadless Headset
Best durable upgrade for budget conscious mountain bike builds.
A robust, no-nonsense solution for riders needing a reliable steering interface. Built with heavy-duty steel cups and oversized bearings, it prioritizes structural integrity and longevity over lightweight materials or complex sealing systems.
$23.00
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Who it's for
- Aggressive riders seeking a component that survives heavy landings
- Value-focused cyclists needing a sturdy replacement without high costs
- Home mechanics looking for a no-fuss, easy-to-install steering assembly
Who should skip it
- Weight-conscious racers prioritizing a lightweight bike setup
- Low-maintenance riders who prefer set-and-forget sealed components
- Custom builders wanting a refined or premium visual finish
Performance breakdown
Structural Durability
Forged and CNC-machined steel cups provide exceptional resistance to heavy impacts.
Load Handling
Oversized lower bearings effectively manage stress from aggressive riding and jumps.
Weather Resistance
Basic plastic seals offer minimal protection against harsh, wet riding conditions.
Weight Efficiency
Steel construction prioritizes strength over the lightweight needs of competitive racers.
Installation Simplicity
Standard threadless design makes for a straightforward, hassle-free shop installation.
Steering Precision
Retainer bearings deliver reliable, consistent handling for everyday trail and street use.
Key Specs
Headset Type
Threadless
Steerer Tube Diameter
1.125 inches
Bearing Type
Retainer bearings
Material
Forged and CNC machined steel cups, Nylon top cover, Plastic seal
Stack Height
24.7mm
Weight
149 grams
Upper Bearing
Ø5/32” x 20 retainer bearings
Lower Bearing
Oversized Ø3/16” x 20B retainer bearings
Know before you buy
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Ask Metto anything about the FSA Hammer Threadless Headset before you decide.
