Abstract: A drive component of a roller clutch assembly for use in an internal combustion engine starter motor includes an annulus formed internally with a cam form which in use is engaged by rollers of the clutch assembly. The component further includes a sleeve which is formed from non-magnetic material and which is provided with internal splines. The annulus and the sleeve are positioned with their axes co-extensive, and the sleeve is formed with an integral flange. The flange of the sleeve has therein a plurality of recesses, and the annulus includes a plurality of projections which are received in respective recesses of the flange of the sleeve. The interengagement of the projections and the corresponding recesses couples the sleeve and the annulus for rotation.