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Chain and chain guard
For proper operation, the bicycle chain must be cleaned and greased regularly.
The chain is under constant stress when pedaling. Over time, the chain becomes
elongated and the meshing with the chainring and the sprockets of the casset-
te no longer works correctly. This can lead to the chain slipping over the teeth
when pedaling. At the latest then it is time to change the chain. Note that chain
and cassette on the bike wear to the same extent. Therefore, always replace
both parts at the same time.
Make sure that the chain is well
tensioned. The vertical play of the
chain should be 5mm.
To retighten the chain:
1. Loosen the two M6 hexagon so-
cket screws on the dropout mount
with 5 mm hexagon wrench. Open
the screws on the left and right side.
2. Then you can turn the grub
screw in the dropout with 2 mm
hexagonal wrench and push the
dropout backwards until the cor-
rect chain tension is achieved.
3. The line markings on the drop-
out help you to determine the
same position of the dropouts for
the right and left sides.
The chain guard „Chainrunner“ is installed on the e-muli px. It consists of slot-
ted tube that wraps around the entire chain and rotates with the chain around
the chainring. The initial quiet crackling reduces in the course of operation.
Grease the chain regularly, but sparingly - this will also reduce the accumulation
of rust particles. Assembly instructions for the Chainrunner can be found at
www.chainrunner.de.
4. When the chain is taut and the
two dropouts are in the same
position, tighten the two cap
screws on the dropout mount.
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