Operation Manual

CycleHub shifting systems
66
7.1.2 Stepless gear shifting system (NuVinci)
This chapter applies to models with an optional “NuVinci” stepless gear
shifting system (see the specifications data sheet provided by the dealer).
The rear wheel hub is equipped with a stepless gear shifting system. The gear
shifting system is infinitely adjustable by turning the twist-grip control .
NuVinci gear shifting systems are available both with a freewheel and with a coaster
brake. Check the data sheet completed by your dealer to find out which variant is
installed.
7.1.3 Stepless automatic gear shifting system (NuVinci Harmony)
This chapter applies to models with an optional “NuVinci Harmony”
stepless automatic gear shifting system (see the specifications data sheet
provided by the dealer).
The rear wheel hub is equipped with a stepless automatic gear shifting system
which is not operated manually, but instead adapts to your speed and cadence
automatically.
7.1.4 Electronic hub shifting system
An electronic hub shifting system requires dedicated button controls on the handlebars.
The shifter buttons can be pressed in quick succession. The shifting system registers
how many times they have been pressed, then changes gear accordingly.
7.2 Adjustments
WARNING
Gear slippage and ineffective pedalling due to an incorrectly
adjusted gear shifting system.
Risk of accident and injury!
x Adjust the gear shifting system.
x If you lack the necessary expertise or the tools required,
contact your dealer.
Kick-shift system (S2 Duomatic)
This chapter applies to models with an optional
“S2 Duomatic” gear shifting system (see the specifica-
tions data sheet provided by the dealer).
The rear wheel hub is equipped with a gear shifting system. The
gear shifting system is shifted up to 2nd gear or down to 1st gear
by briefly back-pedalling the crankset.
S2 Duomatic gear shifting systems are available both with a free-
wheel and with a coaster brake. Check your cycle passport to see
which variant is installed.
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