Patent attributes
A bicycle hub basically has a hub axle, a hub shell, a sprocket support body, a first ratchet member and a second ratchet member. The hub shell is rotatably mounted on a hub axle about a rotational axis. The sprocket support body is rotatably mounted on the hub axle to rotate around the rotational axis. The sprocket support body has an outer peripheral surface with a first helical spline. The first ratchet member has at least one first ratchet tooth and a second helical spline mating with the first helical spline. The second ratchet member has at least one second ratchet tooth mating with the at least one first ratchet tooth and a hub shell engagement portion that engages the hub shell The outer peripheral surface of the sprocket support body has a guiding portion that guides the first ratchet member toward the hub shell while coasting.