Patent ID: 8371660

Claim:
A splined drive body for a bicycle hub, said splined drive body being made of a first material and comprising at least one composite spline, said composite spline comprising a first portion which is made of said first material and comprises at least one force receiving surface, said composite spline further comprising a second portion comprising an insert which is made of a second material which is harder than said first material, said insert comprising a force receiving face, a force transmitting surface and at least two overlapped portions which cooperate with at least two corresponding overlapping parts of the first portion of said composite spline so as to hold said insert in place in said composite spline so that at least a portion of said insert force transmitting surface is in contact with at least a portion of the force receiving surface of said first portion of said composite spline, and so that relative axial movement between the drive body and said insert in either axial direction is prevented and movement of the insert radially outwardly from the drive body is prevented.