| 摘要 |
A bicycle frame comprises a tapered nose portion having a front sleeve adapted to receive a front wheel-mounting member, a center portion having a tapered upper arm adapted to support a seat and a tapered lower arm having a bottom sleeve adapted to support a bottom bracket/crank assembly, and a tail portion having a rear sleeve adapted to support a rear wheel. The frame may be modular, and some or all of the portions may be of monocoque construction.
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