99 accent tire wear

i noticed our accents wearing its front tires on the inner edges... what would cause this? cars front end is in good shape.. weve never done a alignment yet, but 4 months ago they replaced out axels and tie rod and reset the toe in i think... our stearingwheel is cocked just a notch to the left when driving forward in a straigiht line, minor pull to the right, thats the tire with most side weaR