KENT 92804 - Troubleshooting; Gear Shifting and Chain Issues

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CONSULT A PROFESSIONAL BICYCLE MECHANIC WITH ANY
QUESTIONS ON REPAIRS OR MAINTENANCE.
TROUBLESHOOTING
Problem
Gear shifts not
working properly
Slipping chain
Chain jumping
off freewheel sprocket
or chainring
Constant clicking
noises when
pedaling
Grinding noise
when pedaling
Possible Cause
- Derailleur cables sticking/
stretched/damaged
- Rear derailleur not
adjusted properly
- Indexed shifting not adjusted
properly
- Excessively worn/chipped chain-
ring or freewheel sprocket teeth
- Chain worn/stretched
- Stiff link in chain
- Non compatible chain/chainring/
freewheel
- Chainring out of true
- Chainring loose
- Chainring teeth bent or broken
- Rear derailleur side-to-side
travel out of adjustment
- Stiff chain link
- Loose pedal axle/bearings
- Loose bottom bracket axle/
bearings
- Bent bottom bracket or pedal
axle
- Loose crankset
- Pedal bearings too tight
- Bottom bracket bearings too tight
- Chain fouling derailleurs
- Derailleur jockey wheels
dirty/binding
Remedy
- Lubricate/tighten/clean
replace cables
- Adjust derailleur
- Adjust indexing
- Seek advice from
your dealer
- Replace chainring and
sprockets
- Replace chain
- Lubricate or replace
master link
- Seek advice from
your dealer
- Re-true if possible,
or replace
- Tighten mounting bolts
- Repair or replace
chainring/set
- Adjust derailleur travel
- Lubricate chain /
Adjust chain link
- Adjust bearings/axle nut
- Adjust bottom bracket
- Replace bottom bracket
axle or pedals
- Tighten crank bolts
- Adjust bearings
- Adjust bearings
- Adjust chain line
- Clean and lubricate
jockey wheels