ENG
31
Todeterminethelengthofthechain:adjustthefrontderailleurtothelowest
shift(thesmallesttoothofthechainring)andalsoadjusttheBackfenderto
thelowestshift(thesmallesttoothoftheflywheel)tocheckwhetherthechain
sagismorethan15mm(asshown).Ifitismorethan15mm,thechainistoo
long,pleasegotoyoursuppliertoshortenthechaininordertomaintainthe
bestcyclingperformanceofyourbike.
Useofspeedcontrolsystem
Donottreadreverselyinthecourseofspeedchangesoasnottoleadto
failureandthechainfallsoff.
As far as possible, do not change the gear‐speed ratiosubstantially and
shouldchangethespeedinaccordancewiththeorder.
Iftheelectricbikeisidleforalongtime,thechainwillbechangedtothe
minimumkeyboardtoothandthesmallestflywheel,soastoavoidfatigue
ofthemechanicalflexibility.
Thechain,fluteddisc,flywheel,Derailleurshouldbealwayswashed,wiped,
andlubricated(oiledappropriately).
Thederailleurshouldavoidthejump‐classspeedchange,whichwillleadto
rapidwearandtear.
Dampingsystem(option)
Dampingcankeepthetirebuffercontactwiththe
groundwhenyour bike is runningon the uneven
roadsoIncreasedampingcoefficientthatthedriver
feelsmorecomfortablewhiledrivingontheuneven
road.
Dampinghardnesscanbeadjustedbyadjustingthe
damping coefficient according to roadconditions
andpersonalpreferences.
Ifthesizeisbiggerthan15mm,
thechainistoolong