The Tange-Seiki Levin 66S NJS approved headset features a lightweight and strong Dulaluminum aluminum construction, heat-treated chromoly races and fully sealed mechanism.
Fully sealed mechanism helps to prevent contaminates from entering the headset for a longer service life
Heat-treated chromoly races feature super stone polishing to provide ultra-smooth movement
Drilled non-structural areas for reduced weight
For use with 30.2mm straight head tube and 1" straight steer tube fork