IRC Siren Pro Tubeless Race Tire bc-crank-24 25" or a 9'5 rise

25" or a 9'5 rise height

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WEIGHT: 14

2" or an 11" rise height

It fits profile race cranks and other 48 spline 19mm cranks

IRC Siren Pro Tubeless Race Tire bc-crank-24 25" or a 9'5 riseDesigned by former World Champion and Olympic silver medalist, Sam WIlloughby, the Siren Pro is built to give BMX racers unparalleled performance on any track. It's lightweight and fast rolling, thanks to its 120 TPI shaped casing and tubeless ready construction all allowing for minimal ground contact when rolling in a straight line. The Siren Pro features a kevlar bead and high pressure casing that can be inflated up to 100 PSI for ultra low rolling