With the crossroads tire we redesigned our popular crossroads tread making it the best most robust multi terrain tire out there whether on your mountain bike or town bike this tire is ready for the rigors of everyday street life and with flak jacket flat protection plus a rugged casing and smooth rolling tread you39ll get around town easily without worrying about flats or traction on parkways and cobblescasing 60 tpibead wirecompound 60aflat protection flak jacket26 x 19quot psi 35