Brooks Cotton Cork Bar Tape - 1.5mm NaturalBrooks Cotton Cork Bar Tape 1. 5mm Natural. A simple yet clever addition to your bicycle the Cotton Cork Bar Tape was created to provide greater comfort when wrapped beneath an outer tape. The team at Brooks loved the look of this naturally elegant tape so much its now offered in its own bar end plugs and adhesive strips to be used alone. Note: untreated natural materials develop signs of wear overtime. Made from cork and organic cotton Naturally