Wolf Tooth IS41/28.6 Premium Upper Headset

Details
Wolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum. They are designed to be lightweight, strong, and durable. Our headsets have three levels of industry-leading custom sealing to protect bearings from the elements and prolong the life of the headset. Available in a variety of colors. These IS headsets are for frames with molded-in internal bearing cups. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty.
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 the upper bearing.
- bearing top cap outer diameter 45.8 mm
Part Numbers
Option | UPC | MPN |
---|---|---|
Black / 5mm Stack / IS41/28.6 | 812719028059 | IS41U-5MM-BLK |
Black / 15mm Stack / IS41/28.6 | 812719028134 | IS41U-15MM-BLK |
Black / 25mm Stack / IS41/28.6 | 812719028219 | IS41U-25MM-BLK |
Blue / 15mm Stack / IS41/28.6 | 812719028158 | IS41U-15MM-BLU |
Blue / 5mm Stack / IS41/28.6 | 812719028073 | IS41U-5MM-BLU |
Blue / 25mm Stack / IS41/28.6 | 812719028233 | IS41U-25MM-BLU |
Gold / 15mm Stack / IS41/28.6 | 812719028196 | IS41U-15MM-GLD |
Gold / 25mm Stack / IS41/28.6 | 812719028271 | IS41U-25MM-GLD |
Gold / 5mm Stack / IS41/28.6 | 812719028110 | IS41U-5MM-GLD |
Orange / 15mm Stack / IS41/28.6 | 812719028189 | IS41U-15MM-ORG |
Orange / 25mm Stack / IS41/28.6 | 812719028264 | IS41U-25MM-ORG |
Orange / 5mm Stack / IS41/28.6 | 812719028103 | IS41U-5MM-ORG |
Purple / 15mm Stack / IS41/28.6 | 812719028172 | IS41U-15MM-PRP |
Purple / 25mm Stack / IS41/28.6 | 812719028257 | IS41U-25MM-PRP |
Purple / 5mm Stack / IS41/28.6 | 812719028097 | IS41U-5MM-PRP |
Red / 15mm Stack / IS41/28.6 | 812719028141 | IS41U-15MM-RED |
Red / 25mm Stack / IS41/28.6 | 812719028226 | IS41U-25MM-RED |
Red / 5mm Stack / IS41/28.6 | 812719028066 | IS41U-5MM-RED |