TROUBLESHOOTING CHART (CONTINUED)
PROBLEM
POSSIBLE CAUSE
REMEDY
Knocking or shuddering
when applying the
brakes
Bulge in the rim or rim out of
true
True wheel or take rim to a
tricycle shop for repair *
Brake mounting bolts loose
Tighten bolts
Brakes out of adjustment
Centre brakes and / or adjust
brake block toe-in
Disk brakes: disk may be
bent or blocks not free
Seek advice at a tricycle shop
Forks loose in head tube
Tighten headset
Wobbling wheel
Axle broken
Replace axle
Wheel out of true
True wheel
Hub cones loose
Adjust hub bearings
Headset binding
Adjust headset
Gear shifts faulty
Derailleur cables sticking
stretched / damaged
Lubricate / tighten / replace
cables
Front or rear derailleur not
adjusted properly
Adjust derailleurs
Indexed shifting not adjusted
properly
Adjust indexing
Slipping chain
Excessively worn / chipped
chainring or freewheel
Replace chainring, sprockets
and chain
Chain worn / stretched
Replace chain
Stiff link in chain
Lubricate or replace link
Non compatible chain /
chainring / freewheel
Seek advice at a tricycle shop
* Repair of damaged front wheel rim not recommended. Replace wheel rim.