The Powerslide XC Trainer Bronx uses a new generation of soft boots that are stronger than ever, but more comfortable. xml: namespace prefix = "o" ns = "urn: schemas-microsoft-com: office: office" /> Skates are seated on the XC Trail frame. The model powers the V-Mart air time 150mm. They provide a comfortable ride, absorb most of the impact. These wheels have a wide profile and smoothly ride on uneven surfaces. Powerslide XC Trainer Bronx is equipped with Wicked ABEC 7 bearings. They have a solid steel cage and 7 steel balls that are perfectly matched to ensure the lightest torque. Kyodo Japanese oil was used in the production of bearings.