RESISTANCE/BRAKE KNOB

This part is NO LONGER AVAILABLE. You cannot purchase this part. Can I still get this?

Listed on the following equipment:
Gold's Gym - Cycle Trainer 310 - GGEX62410.0
Gold's Gym - Cycle Trainer 310 - GGEX62410.1
Gold's Gym - Cycle Trainer 310 - GGEX62410.3

* Images may not be identical to part.