Tioga street block bmx tyrehey lets take the powerblock and make it into a street tire easy right sure if 10 months of testing and 3 mold changes is consider easy why the trouble well as its been a while since tioga have developed a street tire they obsessed over the details to make sure we got it right so the seemingly minor changes over its cousin they actually took some major effort but we think youll appreciate their obsession features110 psi casing steel bead app all purpose