How to Properly Install a Shimano Rear Derailleur- A Step-by-Step Guide
How to Install Rear Derailleur Shimano: A Step-by-Step Guide
Installing a rear derailleur is an essential task for any cyclist who wants to maintain their bike’s performance and ensure smooth gear shifting. Shimano rear derailleurs are widely regarded for their reliability and efficiency. Whether you’re a beginner or an experienced cyclist, this step-by-step guide will help you install a Shimano rear derailleur with ease.
Before You Begin
Before starting the installation process, make sure you have the following tools and materials:
– Shimano rear derailleur
– Hex wrenches (5mm, 4mm, and 2mm)
– Screwdriver
– Cable cutters
– Cable and housing
– Gear cable (if needed)
– Grease
Step 1: Remove the Old Rear Derailleur
1. Remove the rear derailleur from the bike by loosening the bolt that holds it in place.
2. Disconnect the cable from the derailleur.
3. Loosen the bolts that secure the derailleur to the rear frame.
4. Remove the derailleur from the bike.
Step 2: Mount the New Rear Derailleur
1. Position the derailleur on the rear frame so that the jockey wheels are facing the cassette.
2. Align the derailleur with the mounting bolts and secure it in place using the provided bolts.
3. Tighten the bolts, but do not overtighten them.
Step 3: Install the Cable and Housing
1. Thread the cable through the derailleur’s pulley cage and the housing guides.
2. Route the cable through the derailleur’s pulley cage and the housing guides on the frame.
3. Connect the cable to the derailleur’s cable stop.
4. Trim the excess cable using cable cutters and secure the housing in place.
Step 4: Adjust the Rear Derailleur
1. Set the derailleur’s limit screws to the appropriate positions for your cassette and chainring size.
2. Adjust the high and low limit screws to ensure smooth gear shifting.
3. Check the derailleur’s position and make any necessary adjustments to ensure proper alignment.
Step 5: Fine-Tune the Rear Derailleur
1. Adjust the spring tension by turning the spring tension screw.
2. Check the derailleur’s movement and make sure it shifts smoothly through all gears.
3. If the derailleur is jumping gears or not shifting smoothly, adjust the spring tension and limit screws until the shifting is smooth.
Step 6: Grease the Jockey Wheels
Apply a small amount of grease to the jockey wheels to reduce friction and ensure smooth gear shifting.
Conclusion
Installing a Shimano rear derailleur is a straightforward process that can be completed in a few simple steps. By following this guide, you’ll be able to install your rear derailleur with confidence and enjoy smooth gear shifting on your bike. Always remember to maintain your derailleur and check for any signs of wear or damage to ensure optimal performance.
