USARS announced that the use of 125mm wheels is currently permitted at Indoor Nationals and at Outdoor Nationals (in non-qualifying events). This guideline will also apply to the Pan American Championships.
125mm wheels ARE NOT permitted in the Junior and Senior World Class event at Team USA Trials/Outdoor National Championships. Competitors may use 125mm wheels in Juvenile, Freshman, Junior, Senior and Masters (non-qualifying events) at Outdoor Nationals.
More information: USARS