18 Prorex V LT 2500-XH, 3000-C, 4000-C. 08 R'Nessa Dir 2500. This simple an inexpensive modification will make the fishing line run smoother through the line roller. It will drastically reduce line twist, wear, and breakage, which is actually the main reason why fishing reels use a ball bearing on the line roller in the first place.
eBay