Trek Knock Block 58-Degree Headset Assembly with Display Chip

Model 5252156
$63.99 Comp. Value Sale price

Service and replacement parts specifically for Trek Knock Block technology.

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Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

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Genuine replacement parts

Get your bike back on the trail with the headset parts you need.

Product details

  1. Trek proprietary headset components compatible with Trek Knock Block models
  2. 58-degree headset fits all 2017-2020 Knock Block equipped models
  3. Includes crown race, bearings, top cover, frame chip & fastener
  4. Frame chip has display tabs to connect Bosch Kiox Mount sold separately
  5. Must be paired with Knock Block stem and Knock Block spacers
  6. Knock Block headset spacers not included