6/1/23: Our phones continue to have issues. We apologize if you have been trying to reach us, at times calls will ring but will not come through to us. Please reach us via e-mail at info@machineryrowbicycles if you are unable to get through to us and we will get back to you as soon as we can.
- Grade 3 balls and magnetite rust proof finish
- Abec 5 precision and silicone w seals
- 3 times cryogenic race treatment
- Bearings sold individually, not as pair