Roll-Line Pivot Pin Cups in Delrin (Nylon) are engineered to withstand the use and abuse of high level competitive Skating.
Roll-Line Pivot Pin Cups are inserted into the Roll-Line Skate Frame as a press fit with, two (2) for each Skate Frame (one (1) for the front Truck and one (1) for the rear Truck Pivot Pin sockets or four (4) for each pair of Roll-Line Skate Frames.