The Zealous bearings are regarded by many as the best value in the industry. They are fast, durable, and have shields on both sides to keep dirt out and lube in. Give them a roll.
Precision 8mm axle holes
.409" built in spacers
1mm built in speedrings
Green rubber seals to keep dirt and debris on the outside of the bearing.
Lubed with Archoil Nanoceramic Grease