The Tour Roller Hockey Skates listed below are compatible with the 6mm Square Flush 2pc axles, spacers and hardware.
2021 - Volt Pro, Kv2, Kv4, Kv72 2021 - Code LG9, IS, LS, GX 2020 - Volt Kv2, Kv4 2019 - Code 1.one, 2.one, 3.one, 5.one, 9.one