3M 2228 25MM Tape, Scotch Mastic, EPR, Black, 3.03 m x 25 mm Great for Bikes

The 2228 25MM is a conformable self-fusing rubber Electrical Insulating and Sealing Tape. Consists of an ethylene propylene rubber (EPR) backing coated with an aggressive, temperature-stable mastic adhesive.

eBay