Pro 1 1/8 Gap Cap and Star Nut for Alloy Steerers (UD Carbon)

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The Pro 1 1/8" Gap Cap and Star Nut for Alloy Steerers is only for use on non Carbon steerer tubes. Using a star nut on carbon fiber may cause damage or failure. The "UD Carbon" version of this top cap is a weight saving upgrade but is not to be paired with carbon steerer tubes.


  • UD Carbon cap
  • For 1 1/8 steerer
  • Lightweight anodized alloy bolt
  • Lightweight alloy starnut 

This product was added to our catalog on February 13, 2017