Ask a Mechanic: Tuning Shimano Rear Derailleurs

Sign up for the Art’s Cyclery mailing list to get the latest sale information, special deals, and “How To“ videos and articles that our customers love! It’s free, and you can unsubscribe at any time. Of course, Art’s will never give your email address to a third party, so you will only receive the messages that you want. Thanks for choosing Art’s! Quick and accurate shifting is the hallmark of any well tuned bicycle. With mechanical rear derailleurs, th