Knob, Seat Post

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

Listed on the following equipment:
Epic - Cups X-Power MB200 - AEVEX170080
Proform - 180 ZLX - PFEVEX719080
Proform - 2.0 ES - PFCCEX519130
Proform - 2.0 ES - PFEX519120
Proform - 2.0 ES - PFEX519122
Proform - 2.0 ES - PFEX519123
Proform - 200 ZLX - PFEVEX731081
Proform - 225 ZLX - PFEVEX730120
Proform - 225 ZLX - PFEVEX730121
Proform - 225 ZLX - PFEVEX730123
Proform - 280 ZLX - PFEVEX731080
Proform - XP 210 U - 831.219412
Proform - XP 210 U - 831.219413
Proform - XP 210 U - 831.219415
Weslo - Pursuit Easy 100 - WLEVEX718080
Weslo - Pursuit R3.8 - WLEX912080

* Images may not be identical to part.