Listing includes 1 or 2 ball bearings depending on model (check list below), used to replace the factory bearings or bushings found on these reels. Bearings are available in ABEC-7 stainless, as well as ABEC-7 Hybrid Ceramic and ABEC-5 Full ceramic. This bearing upgrade will really help the reel's drag system perform to its very best, especially if you are replacing the bushings with actual ball bearings or upgrading the factory bearings to ceramic. This superior bearing drag system together with Carbontex drag washers (offered for sale separately) will undoubtedly help you land more fish. Two bearings (open) 12 Ballistic 2000SH, 2500SH, 3000SH 14 Ballistic EX 2000H, 2500H, 3000H 19 Ballistic FW LT 1000S-P, 2000SS-XH, 2500S-C, 2500S-CXH ( replaces a couple of bushings ) 18 Ballistic LT 1000D, 1000D-XH, 2000D, 2000D-XH, 2500D, 2500D-XH, 3000D-C, 4000D-C, 5000D-C ( replaces a couple of bushings ) 19 Ballistic LT 2000SS-P, 2500S-XH, 2500SS-CXH, 3000, 3000-XH, 3000S-CXH, 4000-C, 4000-CXH ( replaces a couple of bushings ) Two bearings (metal shields / open) 18 Ballistic LT 6000D-C ( replaces a couple of bushings ) Two bearings (metal shields) 12 Ballistic 4000SH 14 Ballistic EX 4000H