The rear derailleur is the component of the drivetrain unit of the bicycle that allows the
displacement of the chain on sprockets to obtain different drivetrain gears between
crankset and wheel (the parts that compose the rear derailleur are shown in Fig. 1).
A
- pivots
B
- rear derailleur hanger
C
- rocker
D
- wheels
E
- adjuster screw
Some rear derailleur adjustments are
possible that allow to obtain:
• Higher shifting precision in idler spro-
ckets
• Higher shifting speed
• Correct rear derailleur performance
on largest sprocket and on smallest
sprocket.
ENGLISH
5 - USE
E
C
1
A
B
A
D
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