Entity RT35 is designed to work with tubeless-ready rims from 29-33mm in width. Double wrap the tape for an airtight seal on your road or mountain bike tyres. The tape is made from biaxially oriented polypropylene, which provides incredible resistance to moisture and temperature variations. This has been combined with a silicone adhesive to give incredible tackiness in the most extreme of environments. FEATURES: Creates durable, airtight seal over spoke holes for a dependable tubeless setup Completely non-porous vapour barrier seals rim interior from moisture Low friction surface helps tire beads slip into place 35mm wide 10m, long enough for about 6 rims double wrapped. USE: The rim must be dry and clean from old tape, dirt, oil based products and liquids that can cause the tape to not adhere