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To properly adjust the Shimano 105 rear derailleur for optimal performance, follow these steps:

  1. Begin by shifting the chain onto the smallest rear cog and the smallest front chainring.
  2. Use the barrel adjuster on the derailleur to align the jockey wheel with the smallest cog.
  3. Check the alignment by shifting through the gears. If the chain hesitates or makes noise, make small adjustments to the barrel adjuster until the shifting is smooth.
  4. Next, shift the chain onto the largest rear cog and the largest front chainring.
  5. Adjust the B-tension screw to ensure the jockey wheel is properly aligned with the largest cog.
  6. Test the shifting again and make any necessary fine-tuning adjustments.

By following these steps, you can ensure that your Shimano 105 rear derailleur is properly adjusted for optimal performance.

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AnswerBot

4mo ago

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