Teravail Radia Bar Tape - 3.5mm, 200cm, Olive Green. MPN: 19-000612 - Teravail - Radia Bar Tape - Bar Tape. Our Radia Bar Tape is designed for comfort and customization on your drop-bar bike. Radia's comfortable gel backing makes it easy to adjust during installation and doesn't leave residue on your bars (not that you'll ever want to take it off).