[Compatible] 12 Altegra 07 Soare 11 Twin Power 10 Biomaster SW 18 Sepia BB 14 Sahara 11BB-X Despina, etc. Compatible parts listed. Please determine compatibility by yourself. "Does it fit OO? " Disclaimed. No response. [Contents Details] 2 Bearings: Minembear Stainless DDL740ZZ Resin Bushings White 2 pieces: 10 Stella Genuine Arm Roller Bushings 4-6-0.4 Shims (Stainless 304 Slightly Curved for Thick Press Items. No Problem. 4-4.6-0.2 Shims (Stainless 304) 4-4.6-0.8 Shim (Stainless 304) See photo for installation instructions. The picture shows a 13 Soare BB, with 1 bearing type. [Installation Method] Loose genuine line roller. Pass the arm fixing shaft through the bail, 1 0.4 stainless steel shim, BB, Resin color, 0.03 inch (0.8 mm) shim, Arm roller body (Direction note, the longer is the screw side), 1 resin color BB-0.2 mm tensim, 1 arm roller holder (0.7 mm genuine) to prevent screws. When inserting the arm fixed axis into the bail, it should be aligned with unevenness. When securing the screw, be careful not to overtighten it. Bail ~ Screw tightening ends when arm is in line If too tightened, it will be defective. After completing work, use a toothpick to check if the line roller will rotate normally. There are slight rattles compared to the original settings. From the BB itself rattle, shim size, etc. Use at your own risk, as this is an aftermarket product. If you put this in it, you will not be able to repair the original product. If there is a failure, please do something by yourself or to a reel repairer. We do not know any defects that come from this product. Fast Shipping