The Alkali Roller Hockey Skates listed below are compatible with the Square Flush 2pc 6mm axles, spacers and hardware.
2021 - Revel 4, 5, 62020 - Revel 1, 2, 3, 42016 - RPD Zenith+, Visium, Rival+ 2014 - RPD Max+, Shift+, Team+, Comp+, Crew+, Lite+ (Not Adjustable)2013 - RPD Max, Shift, Team, Comp, Crew, Lite (Not Adjustable)2012 - Alkali CA9 RPD, CA9, CA7, CA5, CA4, CA3