Overview
Gap Cap is a threadless plug that eliminates the need for a star-fangled nut; works with Carbon, Aluminum, and Steel steerers.
Tech Specs
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Compatibility: Fits 1" or 1-1/8" threadless steerer tubes (Fits steerer Inner Diameter of 19.6 to 28 mm)
 
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Construction: Composite wedges, Aluminum top cap
 
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Weight: 36g