Wolf Tooth Components
IS41 Integrated Upper Headset

Wolf Tooth Precision Headsets are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. Available in a variety of colors to add some style to your bike. These IS headsets are for frames with molded-in internal bearing cups. 

Compatibility:

• Any frame that uses IS (Integrated Standard) headsets with 41mm upper and 52mm lower outer bearing diameter
• Uppers and Lowers sold separately
• Enduro stainless steel sealed bearings included on both the upper and lower

Upper assembly features:

• Ultralight stem cap with integrated spacer plus an aluminum bolt and a star nut
• 7, 15 and 25mm stack height top cover options (7mm cover = 8mm total stack, 15mm cover = 15mm total stack, 25mm cover = 25mm total stack
• O-ring seal prevents water intrusion around the steerer tube
• Custom molded upper lip seal provides additional protection for upper bearing

Tech Specs:

• Weight: 7mm - 52g  |  15mm -  59g  |  25mm -  66g
• Material: 6061 aluminum
• Made in the USA