Patent ID: 8550484

Claim:
A bicycle headstock assembly for adjusting a height and a reach of a handle bar of a bicycle, said bicycle headstock assembly comprising: a lower member adapted to be attached to a steering rod of the bicycle; an upper member connected to said lower member; a pivot joint formed at a connection of said lower and upper members; a handle bar clamp connected to said upper member; a primary fastener passed through a first location of said pivot joint; and an auxiliary fastener passed through a second location of said pivot joint; wherein said primary and auxiliary fasteners cooperate to permit said upper member to selectively pivot and lock at alternate positions relative to said lower member; wherein said pivot joint comprises: a plurality of first annular plates statically attached to a proximal end of said upper member, said first annular plates being spaced apart at a fixed spatial distance; and a plurality of second annular plates statically attached to an upper end of said lower member, said second annular plates being spaced apart at a fixed spatial distance respectively; wherein said first annular plates are rotatably interfitted between said second annular plates respectively such that said first and second annular plates are juxtaposed side-by-side in a parallel configuration; wherein said first and second annular plates are co-axially aligned along a fulcrum axis of said pivot joint.