Seismic Hot Spot Wheels 76mm x 59mm 78.5A set of 4. 58mm running surface, Offset bearing seat, Square outside edge, straight-cut inside edge. The 76mm x 59mm Hot Spot has topped the podium of many elite international competitions under champion racers like Mischo Erban and Aaron Hampshire. Molded around our advanced Mini-EC hub, it is one of the fastest all-around wheels ever developed for DH and GS racing.