The present disclosure relates to a chain ring having teeth positioned in one of three lateral positions. At least one tooth may be placed in each lateral position. At least half the teeth may be positioned in a middle lateral position. The teeth in the first and third lateral positions may apply opposing lateral forces to a bicycle drive chain.
申请公布号
EP3111109(A4)
申请公布日期
2017.03.15
申请号
EP20150754922
申请日期
2015.02.27
申请人
Eko Sport Inc.
发明人
BAREFOOT, Darek, C.;WINANS, Scott, S.;FRY, Timothy, A.