12- to 24-Inch
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
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.
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