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The PRO Gap Cap Expander Carbon is PRO’s lightest Gap Cap Expander, designed to help reduce the weight of your cockpit.

Designed to provide you with a better sports bicycle experience the PRO Gap Cap Expander Carbon is the ideal upgrade for weight conscious cyclists looking to further reduce the weight of their cockpit set-ups. 

Weighing just 40 grams, the carbon steerer tube compatible gap cap expander, although compatible with all stems, makes an excellent addition to any lightweight cockpit set-up, like the PRO Vibe Superlight Cockpit.

This model PRO Gap Cap Expander is for 1 1/8 inch (PRHS0072) steerers.