Wolf Tooth Premium headset lower part, 1.5", EC49/40, gold

Wolf Tooth Precision Headsets are made in the USA from aircraft-grade aluminum with excellent sealing to protect against the 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.

Note: The images may differ from the original; the photos show the 5mm upper units.

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.
• Upper and lower units are sold separately.
• Enduro bearings made of stainless steel are included in both the upper and lower units.

Features of the upper unit:

• Ultra-lightweight top cap with integrated spacer, along with an aluminum screw and a 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.

Features of the lower unit:

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