Specification: Frame: 26*12?? beach bike Fork: 26steel fork Tire: 26*2.125 black/white tire Rim: 26 alloy rim Chain-wheel &Crank: 44T chain-wheel & CP crank Freewheel: 18T ED Brake: coaster brake Derailleur: 01SP Shifter: NIL Carton Size (85% packing):196*19*69cm