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Speedline Parts | 1 1/8" Black Expander Plug and Top Cap

Speedline Compression Plugs are top assemblies for carbon steerers. Replaces the traditional top cap assembly.


This is the 1 1/8" Version for Cro-mo Forks and Aluminum Forks that typically require a star nut. This is a less damaging way of installing your headset.

  • Includes cap, bolt, and expander
  • Top assembly for carbon steerers replaces the traditional top cap and star nut assembly

NEVER USE A STARNUT ON A CARBON STEERTUBE! DOING SO WILL VOID YOUR WARRANTY!