Shimano 600 Ultegra headset – 6400 series

£45.00

Beautiful lightweight period headset

Out of stock

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Really lovely new old stock headset for 1″ threaded headsets from Shimano’s 6400 ‘Tricolor’ groupset, with a fairly low stack height, replaceable bearings and alloy cups. These are the version with a JIS (27.0mm) crown race, most headsets at the time require a 26.4 crown race so the choices for JIS are limited.

  • 1″ threaded
  • British thread
  • Weighs 99 grams (alleged)
  • 33.5mm stack height
  • 27.0 crown race (JIS)
  • NOS