Wolf Tooth Upper Headsets are machined in the USA out of aircraft grade aluminium with superior sealing for protection against the elements. Available in a variety of colours to add some style to your bike. The ZS headsets are for frames with internal bearing cups that are pressed into the frame. The EC headsets are for frames with external bearing cups. In other words, the bearing sits outside of the frame with these headsets. These IS headsets are for frames with molded-in internal bearing cups.

Tech Specs:

• Uppers and Lowers sold separately
• Enduro stainless steel sealed bearings included
• Upper assembly features:
• 5 mm integrated spacer plus stem cap with an aluminium bolt and a star nut
• 5, 15 and 25 mm stack height top caps
• O-ring seal prevents water intrusion around the steerer tube
• Custom moulded upper lip seal provides additional protection for upper bearing
• All components precision machined in-house at Wolf Tooth from aircraft grade aluminium to ensure the highest level of quality

What's in the box?

• Upper CNC Machine Cup
• Upper Stainless Steel Enduro Bearing
• Top Cover
• 5mm integrated spacer/stem cap
• Star Nut
• Aluminium Bolt

NOTE: This is for the upper assembly only.