Theory Internal Headset
Best reliable component for enhancing bike steering and durability.
A reliable, sealed-bearing upgrade designed to keep your front end tight and responsive. Built from durable aluminum, it handles the daily abuse of aggressive riding without needing constant adjustment.
$24.95
In stock
at
Stacked BMX Shop
Who it's for
- Cyclists prioritizing a streamlined and uncluttered bicycle appearance.
- Riders seeking durable components with reduced exposure to the elements.
- Bike owners needing a common size for repairs or component swaps.
Who should skip it
- Home mechanics or those new to bicycle component maintenance.
- Owners of high-mileage bikes concerned about long-term frame durability.
- Enthusiasts planning future performance upgrades to their bike's front end.
Performance breakdown
Bearing Smoothness
Sealed cartridge bearings deliver consistent, fluid rotation under heavy steering loads.
Structural Rigidity
6061 T-6 aluminum construction maintains precise alignment during aggressive freestyle maneuvers.
Installation Simplicity
Standard semi-integrated design makes for straightforward pressing into compatible head tubes.
Impact Resilience
Built to absorb repeated shocks without developing play or unwanted vibration.
Maintenance Requirements
Sealed design effectively keeps grime out, minimizing the need for frequent servicing.
Weight Efficiency
Lightweight alloy build keeps the front end nimble without sacrificing necessary strength.
Key Specs
Size
1 1/8 inches threadless semi-integrated
Material
6061 T-6 aluminum
Bearing Type
Sealed Cartridge
Headset Type
Internal/Semi-Integrated
Frame Standard
ZS (Zero Stack)
Steerer Compatibility
1 1/8 inch
Know before you buy
Still have a question?
Ask Metto anything about the Theory Internal Headset before you decide.
