Radio Race Cobalt Pro BMX Race Bike 2021The Cobalt line combines proven geometry and dialled components giving you the best start out of the gate during the first days racing. The Cobalt line took off so well that Radio decided to add a Pro size for 2021 allowing more riders to enjoy one of the best entry level racers out there. All Cobalt bikes feature fully sealed front hubs and integrated headsets, making them simply unstoppale when comparing price to spec. ###section### Product Specs