TYPE OF FRAME 6061-T6 Aluminum Box-Design GT BMX Race Frame with Ultra Box dropouts, Ultra Box chain stays, Monostay design seat stays, EURO BB, 1-1/8" semi integrated head tube * FORK GT BMX design, full cr-mo, 31.8mm blades, 1-1/8" steer * CRANKSET CHAINWHEEL light weight 2.0mm thick round tubular Cr-Mo 3pc. 175mmL., GT CNC aluminum 44T chainwheel * BOTTOM BRACKET Euro size, 4x sealed bearing BB, 8-spline heat treated axle * COG SET ACS 16T. Claws cr-mo