Hatta Swan Super Deluxe NJS 1" threaded headset
Hatta Japan's parts lineup focuses purely on headset and bottom bracket parts for Keirin pro riders.
The Swan Super Deluxe headset is used by 95% of professional Keirin track racers in Japan.
• 1" threaded
• mirror-polished bearing races
• stack height: 34mm
• cup diameter: 30.0mm (EC30)
• crown race: 27.0 (JIS) or 26.4mm (ISO)
• NJS certified & stamped
• colors: silver, gold, red, blue, violet, grey
• weight: 150g