ZIPP Rim Tape Wide 700c x 18mm Pair (101 Zipp 30):

Designed exclusively for the Zipps wider firecrest carbon clincher rims and aluminium Zipp 101 wheels, this high-performance tape will enhance your wider 18 mm rims. Thin nylon snap tape (not thick fabric like the norm). Easily "snaps" in place. Contains two (2) rim strips - enough for a wheelset. Non-adhesive back.