Patent ID: 8100242

Claim:
A bicycle wheel hub comprising: an axle; an input sprocket; an output shell; a one-way clutch operatively connecting the input sprocket and the output shell, the one-way clutch configured to drive the output shell in a first direction; and a locking mechanism configured to operatively connect the output shell and the input sprocket to drive the output shell in a second direction to operate the bicycle wheel hub in a fixed drive mode, the locking mechanism configured to operatively disconnect the output shell and the input sprocket to operate the bicycle wheel hub in a freewheel drive mode; wherein the locking mechanism is operable from outside the bicycle wheel hub to operatively connect and disconnect the output shell and the input sprocket; wherein the locking mechanism includes a first pawl biased to operatively connect the output shell and the input sprocket, the locking mechanism further including a control member displaceable to engage the pawl to operatively disconnect the output shell and the input sprocket; wherein the axle has a coaxial bore, the locking mechanism further including a control pin connected to and displacing the control member, the control pin slidably disposed in the coaxial bore.