Bicycle hub

A bicycle hub (10) is provided that comprises a tubular hub axle (20, 40, 420, 440), a hub body (21, 41, 421, 441), a bearing (22a, 420a, 422a, 442a) and a clearance adjusting member (37a, 57, 137a, 237, 337, 437a). The bearing (22a, 420a, 422a, 442a) includes an outer ring (31a, 51a, 431a) coupled to the hub body (21, 41, 421, 441), an inner ring (32a, 52a, 432a) coupled to the hub axle (20, 40, 420, 440), and a plurality of rolling components (33a, 53a) disposed between the outer ring (31a, 51a, 431a) and the inner ring (32a, 52a, 432a). The clearance adjusting member (37a, 57, 137a, 237, 337, 437a) is disposed with respect to the outer ring (3 1 a, 51 a, 431a) of the bearing (22a, 420a, 422a, 442a) such that at least a portion of the clearance adjusting member (37a, 57, 137a, 237, 337, 437a) is disposed axially inwardly of the outer ring (31a, 51a, 43 1 a). The clearance adjusting member (37a, 57, 137a, 237, 337, 437a) is configured and arranged to prevent a grease inside the bearing (22a, 420a, 422a, 442a) to leak toward an axially inward direction of the hub axle (20, 40, 420, 440) with a prescribed radial clearance being maintained between the clearance adjusting member (37a, 57, 137a, 237, 337, 437a) and one of the hub axle (20, 40, 420, 440) and the outer ring (31a, 51a, 43 1 a) of the bearing (22a, 420a, 422a, 442a).