Chain falls off the sprockets
... Adjusting the limit stops on the rear derailleur
An incorrect adjustment can cause the
chain to block. This is an accident risk!
Chain falls off the chainrings
... Adjusting the limit stops
Change gear to the
smallest chainring
Change gear to the
largest chainring
Turn the screw marked
"L"
Turn the screw marked
"H"
There are two adjusting screws on the
front derailleur, to be found on the
side of the smallest chainring: H (High
gear) for the largest chainring and L
(Low gear) for the limit stop.
This adjustment is very sensitive.
Consult an expert if your attempts
fail.
There are two adjusting screws on the
rear derailleur, to be found on the
side of the largest sprocket: H (High
gear) for the smallest sprocket and L
(Low gear) for the limit stop.
Change gear to the
smallest sprocket
Change gear to the
largest sprocket
Turn the screw marked
"H"
Turn the screw marked
"L"
Check that the derailleur has not
shifted. This can easily happen if the
bicycle falls or simply when parking.
This adjustment is very sensitive.
Consult an expert if your attempts
fail.
A bent derailleur could get into the
spokes and cause a serious damage to
the wheel, frame or other parts. Bent
gear hangers should be replaced
immediately.
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