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Tange Seiki Levin NJS Headset

Tange Sieki's took their classic Levin Standard headset and upgraded the tolerances to receive NJS certification. For those unfamiliar with NJS (Nihon Jitensha Shinkokai), it is the association responsible for fostering Japan's bicycle industry and regulating Keirin racing in Japan. For a component to acheive NJS status, it needs to be machined and produced to super tight tolerance and exacting standards. Products and components with this designation tend to be high-priced, which is the exception here, as the Levin Standard NJS ushers in great value. The Levin Standard NJS is our choice for any quality steed that requires a 1" threaded steel headset.

In search for simpler times, we've witnessed an emergence of vintage frame resurrections and well as fixed geared and L'Eroica frames that the Levin NJS will champion. The complete CNC steel cup construction is polished to a high luster and has perfectly cut threads. Super ground and polished races offer precise fitment of bearings and retainers. The precision ground 5/32" bearings are fit into retainers for the ultimate in granular serviceability.


  • Traditional 1" threaded headset design
  • Classic Levin Standard design with NJS Certification
  • CNC Cromoly construction
  • High polished bearing races
  • Retainer-mounted 5/32" precision bearings
  • 30.2mm cups/27mm crown race
  • 33.4mm stack height
  • 149 grams
  • Made in Japan

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Reg Price $39.00