Riedell R3 Quad Skates - ABEC5 - White The New Riedell R3 features a new vinyl boot from Riedell. It is well-padded for comfort. Mounted to the PowerDyne Nylon plate with metal double action trucks 62mm Radar Cayman wheels with power groove Kwik ABEC 5 bearings. Available in men's sizes 1 - 14 whole sizes only, medium width. Women should choose one size smaller.