Operation Manual
34   I General User Manual
CHAIN POSITION INDICATION
TRIMMING
LEVER OPERATION FRONT DERAILLEUR MOVEMENT
large chainring
smaller 
sprockets
Chain in contact with 
outer chain guide plate
Lever 
a
Click-in 
position
(contact)
Trimming
before trimming aer trimming
Front derailleur movement
Outer 
chain guide plate
Chain
Middle chainring
Smaller 
sprockets
Small chainring
Smaller 
sprockets
Large chainring
Larger 
sprockets
Chain in contact with in-
ner chain guide plate
Lever 
b
Click-in 
position
(contact)
Trimming
before trimming aer trimming
Front derailleur movement
Inner 
chain guide plate
Chain
Middle chainring
Larger 
sprockets
Small chainring
Larger 
sprockets










