Patent ID: 7461904

Claim:
A bicycle hub assembly comprising: a hub shell; a freewheel supported on the hub shell for rotational movement with respect to the hub shell; one of either the hub shell or the freewheel having a radially extending sealing surface defined thereon; the other of either the hub shell or the freewheel having a seal retaining portion formed thereon including an axially extending surface; and a seal member including an annular base portion, a flange portion extending from the annular base portion and a lip portion extending from the flange portion, with one of the annular base portion and the flange portion defining a maximum outer diameter and the other of the annular base portion and the flange portion defining a minimum inner diameter in which an annular radial space is formed between the one of the hub shell and the freewheel having the radially extending sealing surface and one of the maximum outer diameter and the minimum inner diameter of the seal member. the annular base portion being non-movably retained against the axially extending surface in the seal retaining portion and axially spaced from the radially extending sealing surface, the annular base portion being perpendicularly arranged with respect to the flange portion, the flange portion having a first end extending from the annular base portion and a second end supporting the lip portion such that the lip portion is cantilevered with respect to the flange portion, and the lip portion extending outwardly from the second end of the flange portion with a distal end portion of the lip portion of the seal member relatively rotatably contacting the radially extending sealing surface such that only the distal end portion of the lip portion contacts the one of the hub shell and the freewheel having the radially extending sealing surface.