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DERAILLEUR SYSTEMS:
The derailleur system consists of the rear
derailleur, the shift lever, and the derailleur
control cables, all of which must function
correctly for smooth gear shifting to occur.
There are several different types of derailleur
systems but all operate using similar
principles. Your new bicycle is fitted with an
“index” system (e.g. SIS) which links each
different gear position to a positive click
mechanism in the shifter, and makes shifting
simple and precise.
INSPECTION:
The operation of the derailleur system should
be checked at the start of each ride and
thoroughly checcked at least every month.
Check the operation of the derailleur first. The rear derailleur should shift the chain cleanly
from one cog to the next without hesitation. Each notched position in the shifter equates
to a new gear position. After shifting, the rear derailleur should not rub on the chain.
The derailleur should never cause the chain to fall off the inner or outer freewheel cogs.
Derailleur control cables are a critical component that must be well maintained for accurate
shifting performance. Check them for any sign of rust, fraying, kinks, broken strands, and
any damage to the cable housing. If you find any problems, the cables or other involved
components should be evaluated as it may need replacing before you ride.
MAINTENANCE/REPAIR
Pre-stretch the derailleur
cables to remove slack
Stretch
CAUTION: CALL CUSTOMER SERVICE AT 800-451-KENT OR
CONSULT A PROFESSIONAL BICYCLE MECHANIC WITH ANY
QUESTIONS ON REPAIRS OR MAINTENANCE.
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