The Profile Design Gap Cap is a threadless plug that eliminates the need for a star-fangled nut. Works with carbon, aluminum, and steel steerers. Features: Works with carbon, aluminum, and steel steerers Fits steerer ID of 19.6 to 28 mm
Composite wedges replace star-fangled nut
Fits 1″ or 1-1/8″ steer tubes
Works with any threadless steerer tube
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