Quantum Metallic Series Bearings wrist put the wheel with the

put the wheel with the outside of the wheel (usually the printed side) facing up and put another bearing on the pin

Karma grind block

Hardness: 84A

Color: Black with white stripes

Quantum Metallic Series Bearings wrist put the wheel with theA twist on the classic. Designed for high impact street and park skating these high precision bearings will keep you rolling smooth and fast.. Each Metallic series bearings is made with high purity, high quality carbon steel for the inner outer rings and roller balls. Then the raceways and roller balls are run through a proprietary diamond finishing process. With high tensile strength engineered retainers these bearings were designed with stability,