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Tredz£32.99Visit shop Shimano Light Deore M5120 10/11-Speed Shadow Design+ Rear Derailleur Size 10
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This guide is for cyclists looking to upgrade their drivetrain with the Shimano Deore M5120 rear derailleur. It offers dependable shifting performance and durability, ideal for both 10 and 11-speed setups. Note that this derailleur's compatibility is specific, so ensure it matches your current setup.
| Model Part Number | RD-M5120 |
|---|---|
| Brand | SHIMANO |
The M5120 is compatible with 10 and 11-speed cassettes, provided they are Shimano HG-X.
The maximum low sprocket size is 46T for 1x10-speed setups and 42T for 2x11/2x10-speed setups.
The Shadow Plus switch activates a chain stabilizing mechanism that reduces chain bounce and improves shifting stability, especially on rough terrain.
Adjust the limit screws to set the range of motion and the B-tension screw to set the distance from the cassette. Use the barrel adjuster for fine-tuning cable tension.
Lubricate the derailleur regularly, especially after wet rides. Apply chain lubricant to the pivot points and pulleys.
Use a degreaser and a soft brush to remove dirt and debris. Avoid using high-pressure water, which can force contaminants into the components.
The SGS cage is the long cage version of the derailleur, designed for larger cassettes and greater gear capacity.
Check and adjust cable tension. Ensure the derailleur hanger is straight. Verify that limit screws are properly set. Inspect and replace any damaged cables or housings.
Check the chain for wear and replace if necessary. Inspect the cassette and chainrings for wear. Ensure the derailleur is properly aligned with the cassette cogs. Adjust the B-tension screw.
Engage the Shadow Plus chain stabilizing switch. Ensure the chain length is correct. Check for any obstructions or contact points with the frame.
