Radio Saiko 18" BMX BikeThe Saiko now comes in an 18" version, for all those younger riders who want a low slung BMX with slightly shorter geometry then this is the bike for you. Radio utilise both 1020 hi ten steel and crmo in the Saiko's construction to ensure a perfect balance between weight and durability. It's a ridiculously fun bike that features 25 9 gearing, a sealed mid bb, an integrated headset and the ever popular Salt Tracer Tyres. All of that results in what is