Trek Bontrager Headset Expander Plug and Top Cap in Black

Trek Bontrager Headset Expander Plug and Top Cap

1-1/8in Expander / Black
$29.99
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Trek Bontrager Headset Expander Plug and Top Cap in Black
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Trek / Bike Headsets

Trek Bontrager Headset Expander Plug and Top Cap

Peace of mind for your carbon fiber steer tube.

$29.99
Model
Color

In stock today at Ansley · Vinings

Store availability

Trek Bontrager Headset Expander Plug and Top Cap

1-1/8in Expander / Black

In stock today at Ansley · Vinings. Our other stores can get it by store transfer, usually in 2–4 business days. Order online for free pickup, or stop by.

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Trek Bontrager Headset Expander Plug and Top Cap

1-1/8in Expander / Black

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Free pickup at any of our four stores. Questions? We're happy to help.

About this product

The details.

Genuine replacement parts

A safe and secure alternative to the traditional star nut for carbon fiber steer tubes.

This expander plug can be easily installed in all Trek 1-1/8" carbon fiber steer tubes.

Product details

  • Approved for use on all Trek carbon fiber 1-1/8" steer tubes
  • Always install one spacer above the stem on carbon fiber steer tubes
  • Do not use on aluminum steer tubes in place of a traditional star nut
  • Torque inner expander bolt to 9-10Nm
  • Torque top cap bolt to 4Nm

What makes it special

The little details. The big difference.

The details

Good to know-

Specs3
Model
1-1/8in Expander
Thickness
Not applicable
Weight
40.0g

Complete your setup

Goes well with.

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