12x21x5 Rear Ceramic Engine Bearing 6801C bearings The results of these test

The results of these test have produced better wear rates while still maintaining the grip levels of our original compounds

Shank below head to lock servo's

2mm allen hex on top of ball stud

outdoor events and more

Includes 4pcs

12x21x5 Rear Ceramic Engine Bearing 6801C bearings The results of these testJ&T Bearing's 12x21x5Rear Ceramic Engine Bearing offers unbeatable performance for your . 12 engines at a fair price. These bearings are open to allow for proper lubrication. Our Vitro Ceramic bearings offer faster acceleration, more RPM's, less drag, lighter weight, and of course longer life over tradition steel bearings. Features Abec 5 Quality Si3N4 Ceramic Balls Glass Fiber cage