"Hard Six" Bearings by Hard Luck Bearings
The Hard Luck Hard 6 Ball Speed are 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, with that you get quicker acceleration, more speed and increased durability.
Lubricated impregnated nylon retainer
Supported strength and tolerance
Larger balls and deeper groves
Higher speed & quicker acceleration