I General User Manual 33
Operating the ont derailleur lever with trimming
(noise prevention), optional
Gear shiing operations
Lever a: Shi to a larger chainring
Lever
a
Starting position
of lever
a
Gear shi com-
plete stroke
Actual pull
If the lever movement does not eect a ll changeover of chainring,
press the lever repeatedly by the amount (X') to move the lever the
remaining distance (X) and change gears.
Lever b: Shi om intermediate chainring to smallest
chainring
Lever
b
Starting position
of lever
b
Gear shi complete
stroke
Click-in position
Click-in position
When lever b is operated, there is one click where trimming (the
noise prevention mechanism) enagages, and a second stronger click
when the gear shi stroke is completed. Aer trimming, the next
push will complete the gear shi stroke.
Trimming (noise prevention)
Depending on the position of the chain aer shiing, it
may rub against the outer chain guide plate or inner chain
guide plate of the ont derailleur and produce noise. In
this case, lightly press lever a or lever b to move the ont
derailleur until it is no longer in contact with the chain.
This procedure is known as "trimming". Trimming is pos-
sible if the chain is on the large, intermediate or small
chainring.
If you perform the trimming operation at one of the fol-
lowing positions, the noises will disappear completely.
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