S&M Speedball 20" BMX Tire Color:Black 8mm and 34

8mm and 34

the Martello Trail drops in with aggression but spins up easily on climbs and rollers on days when you’re earning your laps

Clamp for easier gravity bleed

We took decades of bike helmet design and race expertise and packed it all into the most affordable full face we've ever made

the Grip Drive HV is excellent for all high-volume bicycle tire applications

S&M Speedball 20" BMX Tire Color:Black 8mm and 34Available in a wire beaded casing with extra pinch flat protection for street riders that prefer to run lower pressure. The Speedball features a multi edged S&M shoulder tread design that looks cool and holds the ground. The 20" Speedball has a smooth unbroken center strip for less rolling resistance.