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BICYCLE SPROCKET AND BICYCLE SPROCKET ASSEMBLY

  • US 20160059931A1
  • Filed: 02/05/2015
  • Published: 03/03/2016
  • Est. Priority Date: 09/01/2014
  • Status: Active Grant
First Claim
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1. A bicycle sprocket having a rotational center axis, the bicycle sprocket comprising:

  • a sprocket body rotatable about the rotational center axis; and

    a chain engagement structure including an upshifting facilitation area configured to facilitate upshifting, the chain engagement structure including a plurality of chain-engaging teeth configured to engage with a bicycle chain, the plurality of chain-engaging teeth including at least three upshifting facilitation teeth configured to facilitate upshifting, the at least three upshifting facilitation teeth being adjacent to each other without another tooth between the at least three upshifting facilitation teeth, the at least three upshifting facilitation teeth being provided in the upshifting facilitation area.

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