Bionic Swiss Bearings

Bionic Swiss feature titanium ball bearings and utilise shields to protect the internal parts of the bearing against contamination by dust, and liquid.
The shields help contain the lubricant in the bearing and are fixed to the outer ring and have a non-rubbing seal to the inner ring.
Requiring no break-in period.
Titanium ball bearings
Delrin cage 20% glass reinforced with extra deep grooves for increased longevity and low maintenance.
Bionic SWISS features deeper grooves, double honed races for smoother, faster and longer lasting bearings 

Please note
SWISS is not made in Switzerland
"SWISS" bearings were the first bearings recognised in the roller marketplace as premium skate bearings.
 Since then several manufacturers have developed and engineered bearings to the specification and tolerances of the SWISS manufacturers