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Gear shift
ORIGINAL INSTRUCTIONS | ADVANCED | 01.2022 | 1002021-01
6.2.1 Operating the hub gear system
With hub gear systems, the chain does not have to
rotate during shifting; i.e. you can also change gears
while at a standstill.
Hub gear system with gear lever
Shift to a lower gear:
f Press the front gear lever.
Shift to a higher gear:
f Push or pull the rear gear lever.
Release the gear lever after shifting and return to
the starting position to complete the shift proce-
dure.
Hub gear system with twist shifter
f Turn the twist shifter forwards or backwards until the
desired gear is displayed.
6.2.2 Wear and maintenance
f Check the hub gear system regularly
(→ Chapter 6.2.4 „Checking the hub gear system“).
f Have the oil changed by the bicycle dealer once a year.
f Have the hub gear system serviced by a bicycle dealer
if unusual noises or other problems occur when shifting
gears.
6.2.3 Cleaning and care
f Keep the components of the hub gear system free of
dirt or clean them regularly to avoid a loss of function
of the hub gear system.
f Clean the operating elements with a slightly damp
cloth.
f Remove coarse dirt from the chain ring and sprocket
with a slightly damp cloth or soft brush.
f After cleaning, grease the chain ring and sprocket with
universal oil.
6.2.4 Checking the hub gear system
f Check the hub gear system regularly to prevent loss of
function and unnecessary wear.
f Ensure that the chain/belt, chain ring and
sprocket are undamaged.
f Check whether it is possible to shift through all
gears without any problems.
f Contact a bicycle dealer to:
f replace damaged or worn components of the
hub gear system and then have the hub gear
system readjusted.
f have the hub gear system checked and adjusted
if necessary.
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