12- to 24-Inch
IRC produces a 125psi high pressure casing and wraps it with a factory-siped slick. Additional surface area is applied to the crown through the innovative use of reinforcement gussets at the edges.
Designed by former World Champion, Olympic silver medalist and G.O.A.T contender Sam Willoughby, the Siren Pro offers BMX racers unparalleled performance on any track. Lightweight and fast-rolling, the 120 TPI, tubeless-ready tire rails turns, smooths out technical straightaways, and provides insane grip on the gate and out of corners. - Supple 120 TPI shaped casing - Center slick design for gaining maximum speed - Super-narrow gaps in the center tread grip the start gate without flexing - Wider gaps on the shoulder provide max grip when cornering
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