Full Speed Ahead Compressor SL Expander Plug with Alloy Cap 1-1/8" spindle interface-30mm (136mm } Designed for the cobbles

} Designed for the cobbles of Ronde Van Vlaanderen and Paris-Roubaix

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A sealed design promises minimal penetration from the elements

Full Speed Ahead Compressor SL Expander Plug with Alloy Cap 1-1/8" spindle interface-30mm (136mm } Designed for the cobblesFull Speed Ahead Compressor SL Expander Plug with Alloy Cap 1 1 8". FSA Compression Plugs are top assemblies for carbon steerers. Replaces the traditional top cap assembly. Includes cap bolt and expander. Includes cap bolt and expander Top assembly for carbon steerers replaces traditional top cap and star nut assembly