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Wolf Tooth Performance External Cup Headset

£40.00 – £57.00

The Wolf Tooth Performance External Cup Headset is machined in the USA from aircraft-grade 6061 aluminium, to ensure a lightweight, strong, and durable design... Read more

Upper EC34/28.6Upper EC34/28.6
Lower EC44/40Lower EC44/40
Lower EC34/30Lower EC34/30
Lower EC34/31Lower EC34/31
Lower EC34/32Lower EC34/32
Lower EC34/33Lower EC34/33
Lower EC34/34Lower EC34/34
Lower EC34/35Lower EC34/35
Lower EC34/36Lower EC34/36
Lower EC34/37Lower EC34/37
Lower EC34/38Lower EC34/38
Lower EC49/40Lower EC49/40

*Couriers may have slight delays due to COVID-19. View our latest status updates.


The Wolf Tooth Performance External Cup Headset is machined in the USA from aircraft-grade 6061 aluminium, to ensure a lightweight, strong, and durable design.

The headset uses Enduro chromium steel bearings with a black oxide treatment for superb durability and high load capacities.

The headset has three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset.

The Performance headset comes with a 1-year warranty.

Key Features:

  • Compatible with 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.
  • Stack height designation for EC headsets includes 10mm cup (see tech specs).
  • 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 aluminium 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).
  • 1-year warranty
  • Weight: 55-58g
  • Material 6061 aluminium
  • Made in the USA

Upper Assembly Features:

  • Ultralight Stem Cap with Integrated Spacer plus an aluminium bolt and a star nut.
  • 5mm top cover = 16mm total stack.
  • O-ring seal prevents water intrusion around the steerer tube.
  • Custom-moulded upper lip seal provides additional protection for upper bearing.

Lower Assembly Features:

  • Custom moulded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.
  • 12.25mm stack.
  • Service and additional parts available.

ABOUT Wolf Tooth

Designed, prototyped and tested to withstand the harshest Minnesota conditions, each Wolf Tooth product improves the ride experience with ingenious solutions to level the playing field in the ever-evolving world of cycling technology. Whether you want to go 1x, put a dish-sized cassette on your gravel bike or add a spash of colour to your trusty steed, Wolf Tooth has you covered, whatever you ride.Read more about Wolf Tooth.


Founded by real cycling enthusiasts in 2004, our passion for elite performance runs through everything we do at Saddleback. Our team of dedicated roadies, mountain bikers and triathletes practice what we preach to bring you the finest cycling products and a superior service to match. We're the official UK home of Castelli, Chris King, ENVE, HJC, Moots Cycles, PUSH, Sidi, Silca, Sportful, Stages, Troy Lee Designs and Wolf Tooth.


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