Patent ID: 7779969

Claim:
A wheel assembly comprising: a wheel hub defining an axis of rotation; a brake rotor having a first set of mounting bosses and a second set of mounting bosses that are both circumferentially spaced about said axis of rotation wherein said brake rotor includes an inner circumferential portion with an opening surrounding an outer surface of said wheel hub, an outer circumferential portion defining a braking surface, and a wall portion interconnecting said inner circumferential portion with said outer circumferential portion, said first set of mounting bosses being formed within said wall portion and said second set of mounting bosses being formed within said inner circumferential portion; and a tone ring mounted to said brake rotor wherein said first set of mounting bosses provides a first mount interface between said tone ring and said brake rotor and said second set of mounting bosses provides a second mount interface between said brake rotor and said wheel hub, said first mount interface being independent from said second mount interface such that said brake rotor is removable from said wheel hub without having to remove said tone ring from said brake rotor and such that said tone ring is removable from said brake rotor without having to remove said brake rotor from said wheel hub.