Pro Carbon Gap Cap Expander - Long "UD Carbon / 1-1/8"" / 50mm 2018 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Pro Carbon Gap Cap Expander - Long "UD Carbon / 1-1/8"" / 50mm 2018 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...