- Precision 8mm axle holes
- 4045″ built in spacers
- 5mm built in speedrings
- Strengthened Nylon Ball Retainers
- White rubber seals to keep dirt and debris on the outside of the bearing
- Lubed with Custom Nanoceramic Grease
- You cannot add "Boa Black Belly steel bearings" to the cart because the product is out of stock.
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