Bicycle hub sealing assembly

DRIVE August 24, 2005
Source
A bicycle sealing assembly 40R, 40L is provided for a bicycle part having a fixed part and a rotational part mounted to rotate relative to the fixed part such as a bicycle hub 12. The rotatable member (hub shell and/or freewheel 32, 34) is rotatable mounted on the fixed part (hub axle assembly) by a pair of bearing assemblies 36, 38. The sealing assembly 40R, 40L basically has first and second dust caps 71, 72 and first and second sealing members 73, 74. The first dust cap 71 is coupled to the rotatable member, while the second dust cap 72 coupled to the hub axle 30. The first sealing member 73 is disposed between the first dust cap 71 and either the fixed part or the second dust cap 72 to form a seal therebetween. The second sealing member 74 is disposed between the second dust cap 72 and either the first dust cap 71 or the rotational part to form a seal therebetween.

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