<p>A front derailleur for shifting a bicycle chain between chain rings of a bicycle crank set. The front derailleur may include an attachment mechanism for securing the derailleur to a bicycle frame member. The front derailleur may further include a chain guide for enclosing a bicycle chain and contacting the chain during shifting. The front derailleur may further include a six link movement mechanism adjustably affixed to the attachment mechanism and chain guide for selectively moving the chain guide and enclosed bicycle chain during shifting.</p>
申请公布号
WO2010033212(A1)
申请公布日期
2010.03.25
申请号
WO2009US05198
申请日期
2009.09.18
申请人
WICKWERKS, LLC;WICKLIFFE, CHRISTOPHER, A.;GOATES, ELDON, L.