Get your bike back on the trail with the headset parts you need.
Product details
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Trek proprietary headset components compatible with Trek Knock Block models
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72-degree headset fits 2021 Slash 29
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Includes crown race, bearings, top cover, frame chip & fastener
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Frame chip has display tabs to connect Bosch Kiox Mount sold separately
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Must be paired with Knock Block stem and Knock Block spacers
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Knock Block headset spacers not included
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