12
Drivetrain
Rear derailleur
Dérailleur arrière- What it does
- Moves the chain across the sprockets and keeps it tight with its two jockey wheels.
- Signs of wear
- Slow or noisy shifts, worn jockey wheels, bent hanger.
- Maintenance
- Adjust the cable every 3 months; clean the jockey wheels.
- Difficulty
- Medium
- Well-known makers
- Shimano SRAM Campagnolo microSHIFT For guidance only, no sponsorship.