How to Remove a Shimano Press Fit Bottom Bracket
Shimano press fit bottom brackets are a popular choice among cyclists for their lightweight and efficient design. However, there may come a time when you need to remove the bottom bracket for maintenance or replacement. This article will guide you through the process of removing a Shimano press fit bottom bracket step by step.
Step 1: Gather the Necessary Tools
Before you begin, ensure you have the following tools:
– Bottom bracket removal tool compatible with Shimano press fit bottom brackets
– Socket wrench or ratchet
– Replacement bottom bracket (if necessary)
– Lubricant (optional)
Step 2: Prepare the Bike
Park your bike on a level surface and ensure the brakes are engaged. Remove the pedals and the rear wheel to provide easier access to the bottom bracket.
Step 3: Remove the Bottom Bracket
1. Locate the bottom bracket removal tool and place it into the bottom bracket shell. Ensure the tool is properly seated and securely engaged with the bottom bracket.
2. Use the socket wrench or ratchet to turn the tool counterclockwise. Apply steady and consistent pressure until the bottom bracket begins to loosen.
3. Continue turning the tool until the bottom bracket is completely removed from the frame.
Step 4: Clean and Inspect the Bottom Bracket
Once the bottom bracket is removed, clean the area around the bottom bracket shell and inspect it for any signs of wear or damage. If necessary, replace the bottom bracket with a new one.
Step 5: Install the New Bottom Bracket
If you are replacing the bottom bracket, follow these steps to install the new one:
1. Apply a small amount of lubricant to the bottom bracket shell and the bottom bracket itself.
2. Insert the new bottom bracket into the frame, ensuring it is properly seated in the shell.
3. Use the bottom bracket removal tool to hold the new bottom bracket in place.
4. Use the socket wrench or ratchet to turn the tool clockwise until the bottom bracket is securely fastened to the frame.
Step 6: Reassemble the Bike
Once the new bottom bracket is installed, reattach the rear wheel and pedals. Check the bike’s alignment and make any necessary adjustments.
Congratulations! You have successfully removed and, if needed, replaced a Shimano press fit bottom bracket. By following these steps, you can ensure your bike’s performance and longevity.
