●Use for T-REX 250.
●Shaft x 1(Φ2xΦ2.6x18.6mm)●Pulley cover x 1(Φ1.7xΦ6x3.85mm)●Drive pulley(16T) x 1(Φ1.7xΦ6x2.15mm)●Bearing MR52ZZ x 2(Φ2xΦ5x2.5mm)●Screw x 1(M1.2x3mm)