| 摘要 |
Bicycle cranks which operatively link a pedal to a bicycle sprocket. One embodiment comprises a molded, one-piece support arm connectable to a bicycle sprocket and an extension arm integrally formed with the support arm. A plurality of threaded holes are provided for removably and selectively positioning a pedal on the crank. At least one of the threaded holes is positioned through the extension arm. Alternative embodiments comprise curved cranks.
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