Tools Required: Chain tool, new chain (matching speed of the drivetrain), new cassette (if teeth are worn), chainring (if teeth are worn), chain whip, and cassette lockring tool.
- Remove the old chain using a chain tool.
- If inspection confirms the cassette teeth are hooked or 'shark-finned,' use a chain whip and lockring tool to remove the old cassette and install a new one.
- If the chainring teeth are also hooked, remove and replace the chainrings to ensure proper engagement.
- Install the new chain, ensuring it is sized correctly for your drivetrain.
- Verify the fix by test-riding the bike under load, specifically in the gears where slippage previously occurred, to ensure the new chain meshes smoothly with the components without jumping or skipping.
Safety Note: Ensure the quick-link or connecting pin is fully secured before riding. Test the drivetrain in a safe area away from traffic to confirm the skip has been eliminated before normal use.
Sources
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