North Riley Maltais Signature WheelsThe Signal Wheels have been completely re imagined for its third version. For Riley's Signature Wheels, he created the graphic himself! If there is any significant meaning behind it, he preferred to keep that to himself and told us that he'd like to leave it up to individual interpretation. The Signals are now machined out of a premium 7075 aluminum and feature North's ultimate urethane formula. The Signal wheels come in two different sizes; this size