Gears skipping or not shifting
Gets worseShifts are delayed, noisy, or the derailleur jumps between gears on its own.
Typical repair cost
$40 to $150
Includes parts and labor. You get an estimate before any work starts.
Likely causes
- Cable stretch and housing friction
- Derailleur misadjustment
- Bent derailleur hanger
- Worn drivetrain
- Worn shifter
How it gets fixed
- Derailleur adjustment
- Cable and housing replacement
- Hanger alignment or replacement
- Drivetrain replacement
Try this first
New bikes commonly need one adjustment after 100-200 miles as cables stretch. That is normal, not a defect. Try shifting under light pedal pressure rather than full power; e-bike torque makes sloppy shifts worse. If the bike fell on its drive side recently, a bent hanger is likely and riding on it risks putting the derailleur into the spokes.
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