EastSider Tippy shows how to replace and maintain your roller skate cushions (bushings) and pivot cups.
Roller Skate Parts:
Kingpin Cushions (Blue Polyurethane) @ Shopee:
https://shopee.ph/product/296643277/6851249067?smtt=0.140016233-1619952258.9
Pivot Cups @ Shopee:
https://shopee.ph/product/296643277/7750990853?smtt=0.140016233-1619952415.9
Roller Skates:
Rookie Artistic Roller Skates
Wheels:
Sure-grip Fame Indoor Wheels