A bicycle crankset includes a chainring, a spider, and a crankarm. The chainring has a disk member and a plurality of teeth on an edge of the disk member to engage a chain. The spider is connected to the disk member of the chainring, and has a connecting bore and a plurality of recesses on an edge of the connecting bore. The crankarm has a plurality of protrusions to engage the recesses of the spider. The connecting bore is eccentric relative to the chainring, and the crankarm is able to be connected to the chainring in different angles by engaging the protrusions of the crankarm with different of the recesses of the spider to provide various paths of motion of the chainring.


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    Title :

    BICYCLE CRANKSET WITH ECCENTRIC CHAINRING AND ADJUSTABLE CRANKARM


    Contributors:

    Publication date :

    2018-12-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / F16H Getriebe , GEARING



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