Roll-Line dance wheels

The Grease wheels are reccomended for expert skating on the professional level.
These wheels are composed of wheel-hub made of stiff shockproof material and of polether polyurethane covering for a high-quality casting.
Available in a 63-mm diameter with a 30-mm tread in the following varieties of hardness:
92A - for extra-slippery surfaces
95A - for slippery surfaces
97A - for regular surfaces