Shimano Gap Cap & Star Nut for Alloy Steerers (Blue Anodized) (1-1/8") - PRHS0020
Shimano Gap Cap & Star Nut for Alloy Steerers (Blue Anodized) (1-1/8") - PRHS0020, 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.