Wolf Tooth Premium Headset

Wolf Tooth Premium ZS44 headset top tube for frames with semi-integrated bearing cups, 44 mm press-fit diameter at the head tube and forks with a 1 1/8 inch / 28.6 mm steerer tube diameter at the top.

Wolf Tooth headsets are manufactured in the USA from 6061 aircraft-grade aluminium and are available in two series, Premium and Performance, which differ in terms of bearing materials. The headsets are available in different stack heights and with interchangeable end caps featuring integrated spacers.

Wolf Tooth Premium Bearings:

The Premium series, featuring stainless steel bearings, is designed for maximum durability and smooth operation. Multiple layers of specially shaped double-lip seals protect the bearings even under the most adverse conditions. This makes them lightweight, strong and extremely durable.

ZS44 / Zero Stack installation dimension:

The ZS44 headset is pressed into the head tube. The press-fit dimension in the frame is 44 mm at the top and the fork steerer tube diameter is 1 1/8 inch / 28.6 mm.

Wolf Tooth Premium Headset Technology:

• Headset: 6061 aluminium, anodised, CNC-machined
• Bearings: Enduro stainless steel, multi-sealed
• Height: 25 mm without cap
• Cap height: 5 mm
• Weight: 55–58 grams (manufacturer’s specification)
• Includes Wolf Tooth Ultralight end cap and Star Nut clamp for aluminium/steel forks