Wolf Tooth Premium headset lower part, 1 1/8", EC34/30, black

Wolf Tooth Precision Headsets are manufactured in the USA from aircraft-grade aluminum with excellent sealing to protect against weather elements. They are available in a variety of colors to add some style to your bike. These EC headsets are designed for frames with external bearing cups, meaning the bearing sits outside the frame.

Technical specifications:

• Weight: 55-68 g
• Material: 6061 aluminum
• Made in the USA

Compatibility:

• Stack height: 10 mm upper cup (see technical specifications)
• Any frame that uses an external cup headset with an inner diameter of the upper head tube of 34 mm and an inner diameter of the lower head tube of 34 mm, 44 mm, or 49 mm. Top and bottom are sold separately. Enduro bearings made of stainless steel are included in both the upper and lower units.

Upper unit features:

• Ultra-lightweight top cap with integrated spacer, along with an aluminum screw and star nut.
• 6 mm cap = 16 mm total height
• 15 mm cap = 25 mm total height
• 25 mm cap = 35 mm total height
• O-ring seal prevents water ingress.
• The specially shaped upper lip seal provides additional protection for the upper bearing against dirt and water.

Lower unit features:

• Specially shaped double lip seal at the fork cone to protect the lower bearing from dirt and water.
• 11 mm stack.