Radio Race Cobalt Mini BMX Race BikeThe Cobalt line combines proven geometry and dialled components giving you the best start out of the gate during the first days racing. The Cobalt Mini is Radio's pint sized machine, scaled down and lighter build kit make this thing unrivalled out there on the track. All Cobalt bikes feature fully sealed front hubs and integrated headsets, making them simply unstoppale when comparing price to spec. ###section### Product Specs FRAME MATERIAL: 6061 T6