To adjust the Shimano Altus derailleur on your bike for optimal performance, follow these steps:
- Shift the chain to the smallest rear cog and the smallest front chainring.
- Use the barrel adjuster to align the jockey wheel with the smallest rear cog.
- Check the chain tension and adjust the B-tension screw if needed.
- Shift through all gears to ensure smooth and precise shifting.
- Fine-tune the indexing by adjusting the barrel adjuster as needed.
- Test ride the bike to confirm the adjustments.
Make small adjustments and test the shifting after each one to achieve optimal performance.
