The Bauer Hi-Lo Aluminium Inline Chassis is a cost-effective replacement frame that features the most popular wheel set-up in the game. The Hi-Lo aluminum frame holds (2) 76mm wheels in the front with (2) 80mm wheels in the rear. This one of a kind set up give players an aggressive angle of attack for better agility, power and balance. Included with the chassis is a full kit of bearing spacers and axles for standard-sized bearings.