Street (36 tooth) or AT (72 tooth) Timing Pulley for MetroboardX. 5M-HTD TOOTH PROFILE. Injection molded from super tough and wear resistant Glass Filled Nylon. Includes Pulley Bearings (28 mm OD x 12 mm ID x 8 mm Wide).
Street Pulleys fit ABEC11 Flywheel Hubs. AT Pulleys fit Trampa SUPERSTAR Hubs.
Note that these are sold individually, but two are needed per board.