false
/equipment/cycling-components/bike-headsets/trek-knock-block-72-degree-headset-non-block-frame-chip/p/33867/
  • home
  • Equipment
  • Cycling components
  • Bike headsets
  • Trek Knock Block 72-Degree Headset Non-Block Frame Chip
  • Trek Knock Block 72-Degree Headset Non-Block Frame Chip
Overview

Genuine Replacement Parts

This frame chip replaces the normal Knock Block chip and allows for full 360-degree rotation of the steer tube on 72-degree radius frames.

Ensure handlebar controls will not contact the top tube before riding.

Product details

  1. Trek proprietary headset components compatible with Trek Knock Block 72-degree models
  2. Designed for Slash 29 2021
  3. Compatible with Top Fuel 29 2022
  4. Compatible with Rail 9.8 & 9.9 2022
  5. Frame chip has display tabs to connect Bosch Kiox Mount sold separately
  6. Not compatible with Rock Shox Flight Attendant front forks due to interference.

More options

Trek Knock Block 58-Degree Headset Assembly with Display Chip

Trek Knock Block 58-Degree Headset Assembly with Display Chip

$63.99 

Trek Knock Block Headset Spacers

Trek Knock Block Headset Spacers

$41.99 

Trek 2023 Fuel EX Angle Adjust Tall Upper Headset Cup

Trek 2023 Fuel EX Angle Adjust Tall Upper Headset Cup

$39.99 

Trek 2023 Fuel EX Angle Adjust Lower Headset Cup

Trek 2023 Fuel EX Angle Adjust Lower Headset Cup

$39.99 

Trek 2023 Fuel EX Angle Adjust Short Upper Headset Cup

Trek 2023 Fuel EX Angle Adjust Short Upper Headset Cup

$39.99 

Trek E2 Headset Lower Bearing 36 Degree

Trek E2 Headset Lower Bearing 36 Degree

$31.99 

Trek Madone 9-Series Upper Headset Bearing

Trek Madone 9-Series Upper Headset Bearing

$31.99 

Trek Knock Block Headset Upper Assembly

Trek Knock Block Headset Upper Assembly

$31.99 

Trek Speed Concept Upper Headset Bearing

Trek Speed Concept Upper Headset Bearing

$26.99 

Trek E2 Headset Lower Bearing 45 Degree

Trek E2 Headset Lower Bearing 45 Degree

$26.99 

Bontrager Headset Expander Plug and Top Cap

Bontrager Headset Expander Plug and Top Cap

$26.99 

FSA 1.5" Lower Headset Bearing

FSA 1.5" Lower Headset Bearing

$20.99 

Trek E2 FSA Headset Lower Bearing 36 Degree

Trek E2 FSA Headset Lower Bearing 36 Degree

$20.99 

Trek Headset Cable Routing Spacers

Trek Headset Cable Routing Spacers

$20.99 

Trek Knock Block Headset Lockring Spacer

Trek Knock Block Headset Lockring Spacer

$20.99 

Trek Road Integrated Headset Routing Spacer

Trek Road Integrated Headset Routing Spacer

$20.99 

Trek Knock Block Headset Top Cap

Trek Knock Block Headset Top Cap

$16.99 

Trek Madone SLR Headset Split Ring

Trek Madone SLR Headset Split Ring

$14.99 

Trek Standard Headset Top Cap

Trek Standard Headset Top Cap

$11.99 

FSA 1.5" Lower Headset Crown Race

FSA 1.5" Lower Headset Crown Race

$10.99 

Trek 2022 Speed Concept Steer Stop

Trek 2022 Speed Concept Steer Stop

$9.99 

Trek Road Integrated Steerer Stop

Trek Road Integrated Steerer Stop

$9.99 

FSA 1-1/8" Upper Headset Bearing

FSA 1-1/8" Upper Headset Bearing

$9.50 

Features Specs
Sizing Service Reviews
  • Shop

    • Road bikes
    • Mountain bikes
    • Hybrid bikes
    • Electric bikes
    • Electra bikes
    • Men's bikes
    • Women's bikes
    • Equipment
    • Apparel
    • Sale
    • Customize
    • How to buy online
    • Trek bike finder
    • Find a bike shop
    • Bike tours
  • Inside Trek

    • Heritage
    • Technology
    • Racing
    • Social responsibility
    • Stories
    • Work at Trek
    • Podcast
  • Support

    • Customer service
    • Returns
    • Warranty
    • Bike basics & safety
    • Shipping & delivery
    • Home delivery
    • How to shop safely
    • Bike sizing & fit guides
    • Manuals & user guides
    • Product support
    • Contact us
    • Newsletter signup
    • Bike archive
    • Suspension calculator
    • Bike registration
  • Legal

    • Privacy policy & terms of use
    • Accessibility
    • Cookie policy
    • California Transparency Act
    • Recalls
  • United States / English

  • © Trek Bicycle Corporation 2023