The standards for quad wheels were concluded back when competitive quad speed skating determined the quality and performance of all wheels. Speed remains an integral part of determining a high-performance wheel. Atom continues to follow the competitive guidelines, shifting gears toward Derby, Speed, Jam. Since 1991 quad speed skating has declined, the importance of quality quad wheels diminished. Our exclusive quad partner and chemist has been the leader in quad design and engineering since 1988. 100% Piper is more than a person; he is the scientist that has developed more flat track formulas than all others combined.