A chromium steel six ball bearing in a re-designed nylon retainer. By increasing the ball size and using a premium retainer, there is less friction, and you get quicker acceleration, more speed and increase durability. -
Larger stainless steel balls, create for less friction and the same wheel RPM -
Less Friction = faster speed, longer roll -
Higher speed, quicker acceleration -
Greater strength and durability -
Newly redesigned reinforced nylon ball retainers -
Lubricated impregnated nylon retainers (holds the lube inside the retainer longer helping reduce friction -
Updated improved deep grove channel helps support the strength and tolerance of the Hard luck 6 ball 608 design.