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Wolf Tooth
Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Black
MPN: IS41U-8MM-KNOCK-BLK · UPC: 810006802689
$59.95
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🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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Wolf Tooth Precision Headsets for Trek Knock Block 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 upper headsets are for Trek frames with molded-in internal bearing cups.
- ✓ Designed to work with Trek's Knock Block system
- ✓ The top cap on these headsets have unique raised features that key to Knock Block compatible stems (made by Bontrager
- ✓ If spacers are needed, you will need to use special Knock Block compatible spacers with notch features
- ✓ This product is the upper headset only
- ✓ Lower headsets on bikes with Knock Block do not have any unique features. They are usually IS headsets which are available separately
| Bearing Type | Cartridge |
| Color | Black |
| keyword search | Trek Knock Block |
| Upper Stack Height | 8 |
| S.H.I.S. Stem Clamp Diameter | 28.6 Threadless |
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$59.95
Low Stock — 3 left