Nitto NJ-89 NJS Ahead Stem
Best high performance upgrade for track cyclists seeking classic NJS certification.
A classic, NJS-certified component built for the demands of the velodrome. It provides the essential stiffness and reliability required for track racing while maintaining a clean, traditional aesthetic for fixed-gear builds.
$98.65
at
eBay
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Who it's for
- Track racers seeking competition-grade durability and safety standards
- Cyclists prioritizing a sleek and professional track bike appearance
- Performance riders demanding tight tolerances and responsive handling
Who should skip it
- Riders needing significant handlebar height customization for comfort
- Budget-conscious commuters looking for basic functional components
- Long-distance road cyclists seeking maximum vibration dampening
Performance breakdown
Structural Rigidity
Unwavering stiffness provides immediate power transfer during high-wattage track sprints.
NJS Certification
Meets the exacting safety and performance standards of professional Keirin racing.
Aesthetic Appeal
Classic Japanese craftsmanship delivers a timeless look for any track build.
Installation Simplicity
Threadless design makes setup straightforward for modern steerer tube configurations.
Material Durability
High-grade aluminum construction withstands the intense stresses of velodrome competition.
Steering Precision
Delivers the razor-sharp handling required for navigating tight, banked track corners.
Key Specs
Handlebar Clamp Diameter
25.4 mm
Steerer Tube Diameter
1-1/8 inches
Stem Type
Threadless
Intended Use
Track, Keirin
Material
Aluminum
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