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More Info:

Wolf Tooth Performance Headset - EC34/28.6 Upper, 16mm Stack, Black 

  • Color: Black
  • S.H.I.S. Stem Clamp Diameter: 28.6 Threadless
  • Bearing Type: Cartridge , Black Oxide Steel
  • S.H.I.S Upper: EC34
  • Upper Stack Height: 16

Compatibility

  • Stack height designation for EC headsets includes 10mm cup (see tech specs).
  • Any frame that uses an external cup headset with a 34mm upper head tube inner diameter and 34mm, 44mm, or 49mm lower head tube inner diameter.
  • Uppers and lowers sold separately.
  • Enduro black oxide sealed bearings included on both the upper and lower.
  • Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately). (Never use a star nut on a carbon steerer tube).
  • crown race adapter (sold separately) will allow you to use forks with smaller 1-1/8" or 1-1/4" steerer tubes with a larger 1-1/2" bottom headset cup
  • EC34 Lowers are not compatible with Surly 1-1/8" straight steerer forks

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