Patent ID: 7914029

Claim:
A bicycle comprising: a plurality of bicycle frame members configured to form a support structure; a crankshaft operationally coupled to one or more cranks of the bicycle, the crankshaft configured to be supported with the plurality of bicycle frame members; and a continuously variable transmission (CVT) coaxially coupled with, and coaxially mounted about, the crankshaft, the CVT comprising: a plurality of spherical traction planets; a pivot arm coupled to each traction planet; a traction sun coupled to each traction planet, the traction sun located radially inward of the traction planets; an input ring in contact with each of the spherical traction planets, the input ring located radially outward of the traction sun; an output ring in contact with each of the spherical traction planets, the output ring located radially outward of the traction sun, wherein each spherical traction planet is placed between the input ring and the output ring; and a cage coupled to each of the spherical traction planets, the cage located in between the input and output rings and is operationally connected to a hub shell by splines.