The Tour Fuse Split Hi-Lo Aluminum Roller Hockey Chassis boasts a lightweight construction and is made with a sturdy one-piece aluminum frame that can take a beating. The Hi-Lo setup is an extremely popular setup for the competitive player as it provides a better attack angle to improve maneuverability, power, and balance. It comes in four different sizes to accommodate skate sizes ranging from 4.5 - 12, and the kit includes axles, spacers, and even Bevo bearings to get you rolling ASAP.