The Hi-Lo Kryptonium Roller Hockey is a cassette/blade system designed for professional roller hockey players. Its design is created to drastically reduce weight without sacrificing durability. This popular Hi-Lo set features two wheel sizes: 80mm rear and 76mm front, offering increased maneuverability, power, and balance. It is used in Mission and Bauer skates.

The set includes:

• 2 cassettes/blades
• 8 axles
• 8 608 bearings
• 1 assembly tool

Hi-Lo Size Guidelines (2012-2019)

• Cassette Size / Bauer or Mission Skate Size
• SM-MD / 6.0-9.5
• LG / 10.0-12.0

Hi-Lo Size Guidelines (2010-2011)

• Cassette Size / Mission Skate Size
• SM / 6.0-7.5
• MD / 8.0-9.5
• LG / 10.0-12.0

Hi-Lo Size Guidelines (2009 and earlier)

• Cassette Size / Mission Skate Size
• SM / 6.0-8.0
• MD / 8.5-10.5
• LG / 11.0-13.0