Trivel E-Azteca - Troubleshooting Common Issues; Gear Shifting Problems

P. 65
Troubleshooting
Problem Possible causes Solution
Rear gears not shifting correctly  Derailleur is not indexed with shifter
 Derailleur hanger is bent
 Friction in the cable housings
 Dirt or corrosion in the shifter
 Chain is damaged
 Adjust cable tension
 Align or replace derailleur hanger
 Lubricate or replace cable housing
 Lubricate or replace shifter
 Fix or replace chain
Front gears not shifting correctly*  Derailleur is not indexed with shifter
 Derailleur out of position
 Friction in the cable housings
 Dirt or corrosion in the shifter
 Adjust cable tension
 Adjust derailleur alignment and height
 Lubricate or replace cable housing
 Lubricate or replace shifter
 Replace chain
Chain drops
From smallest rear sprocket
From largest rear sprocket
From smallest front chainring*
From largest front chainring*
 Rear derailleur high (H) limit is too loose
 Rear derailleur low (L) limit is too loose
 Front derailleur high (H) limit is too loose
 Front derailleur low (L) limit is too loose
 Turn high (H) limit screw clockwise
 Turn low (L) limit screw clockwise
 Turn high (H) limit screw clockwise
 Turn low (L) limit screw clockwise
Chain won’t reach
The smallest rear sprocket
The largest rear sprocket
The smallest front chainring*
The largest front chainring*
 Rear derailleur high (H) limit is too tight
 Rear derailleur low (L) limit is too tight
 Front derailleur high (H) limit is too tight
 Front derailleur low (L) limit is too tight
 Turn high (H) limit screw counterclockwise
 Turn low (L) limit screw counterclockwise
 Turn high (H) limit screw counterclockwise
 Turn low (L) limit screw counterclockwise
Chain skips  Chain is worn out
 One or many sprockets worn out
 One or many chainrings worn out
 Sprocket or chainring has a broken tooth
 Replace chain
 Replace sprockets
 Replace chainrings
 Replace sprocket or chainring
Weak braking  Brakes are not properly adjusted
 Brake pads are worn out
 Rim or disc is dirty
 Adjust brakes
 Replace brake pads
 Clean rim or disc
* Not applicable on 9-speed model