摘要 |
A bicycle adaptable to different forms of cycling. The bicycle includes a frame modification of the location of the crankshaft unit in the frame. The bicycle frame includes a crankset box forming a main housing. The crankset box is positioned at the junction of first and second rods. A detachable body member is mounted in the main housing, and includes a special housing that may be centered or off center relative to the base of the detachable body member.
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