Speedline Parts | 1 1/8" Black Expander Plug and Top Cap
$ 24.95
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!
Race calendar
Never miss a USABMX national
Add the 2026 USABMX national race schedule to your calendar with one click. Built by Supercross BMX so racers, parents, and fans can keep every national weekend in one place.
Dates are based on the official USABMX national schedule and may be updated if changes are announced. This calendar is a fan/racer convenience tool from Supercross BMX and is not an official USABMX calendar.