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14. Bicycle chain/
drive belt
Bicycle chain maintenance
Bicycle chains are wearing parts. The degree of
wear varies considerably. Have the chain of your
FLYER regularly checked by your FLYER special
-
ist retailer.
• Hub gears: approx. 3000 km
• Chain gears: 1500-2000 km
A worn bike chain/drive belt can break
and cause very serious falls. Worn bicy
-
cle chains must therefore immediately
be changed by your FLYER specialist
retailer.
If the chain/belt drive of your FLYER e-
bike has fallen off the chain ring or
sprocket, it is essential to switch off the
electrical system and remove the battery
before placing the chain back on the
gear wheels.
The chain/belt drive may only be tight-
ened once the electrical system has
been switched off and the battery has
been removed.
Regularly care for your bicycle chain by cleaning
and greasing it. These measures reduce prema
-
ture wear.
To ensure that the chain and gears can
work safely, the chain must have a cer
-
tain level of tension. Chain gear systems
tense the chain automatically. In the
case of hub gears, chains which are too
loose must be tightened. It might other
-
wise jump off the gears and lead to a fall.
Tightening the chain or drive belt
Loosen the screws A1 on both sides of the drop
-
out. You only need to loosen the screws until the
dropout can move freely.
A1
Tighten the chain/drive belt using the adjusting
screw A2. The correct chain tension is reached
when the chain can still move up and down slight
-
ly in the centre (10-15 mm). The correct belt ten-
sion must be checked using a belt tension meas-
uring device. Consult the belt manufacturer’s
instructions to determine the correct tension.
www.gatescarbondrive.com/Tech/Resources
A2
e tension has been set correctly, tighten the
screws A1 with the prescribed torque of 8 Nm.
Check that the dropout and the rear wheel are
rmly in place.
A1
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