![Load image into Gallery viewer, Wolf-Tooth-Headset-Upper--_HD1742](http://365cycles.com/cdn/shop/files/WT_IS_7M_BLK_01_4e389825-29b7-403b-874d-42f0da42cb76_400x@2x.jpg?v=1719437029)
![Load image into Gallery viewer, Wolf Tooth IS41 28.6 Upper Headset 7mm Stack Black Includes Stem Cap Star Nut](http://365cycles.com/cdn/shop/files/WolfTooth-Headset_Catalog-190219_14a6fdc7-a2c9-4b67-acc8-1371ac483d54_400x@2x.jpg?v=1719437031)
![Load image into Gallery viewer, Wolf Tooth IS41 28.6 Upper Headset 7mm Stack Black Includes Stem Cap Star Nut](http://365cycles.com/cdn/shop/files/WT_IS41_25_GLD_01_7d0b0370-c7b3-4dc0-8886-9f33daff4f1a_400x@2x.jpg?v=1719437031)
Wolf Tooth Precision Headsets are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. These IS headsets are for frames with molded-in internal bearing cups.
- Enduro stainless steel sealed bearings
- Signature 5 mm integrated spacer plus stem cap with an aluminum bolt and a star nut
- O-ring seal prevents water intrusion around the steerer tube
- Custom molded upper lip seal provides additional protection for upper bearing
Description
Wolf Tooth Precision Headsets are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. These IS headsets are for frames with molded-in internal bearing cups.
- Enduro stainless steel sealed bearings
- Signature 5 mm integrated spacer plus stem cap with an aluminum bolt and a star nut
- O-ring seal prevents water intrusion around the steerer tube
- Custom molded upper lip seal provides additional protection for upper bearing