Eastern Bikes Axis BMX Bike (20-Inch) Eastern Bikes top of the line trail bike Full 4130 chromoly frame with hydroformed downtube, 21" top tube Sealed front and rear hubs with alloy double-wall rims Eastern FULL 4130 chromoly fork with 1-piece CNCed steerer tube, machined bearing race, tapered legs and hangfree dropout design Eastern Tribe, 48 spline cranks with Nomad-style concaved arms, 3PC heat-treated, tubular 4130 chromoly