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Tweeks Cycles£107.99Visit shop Shimano RD-M8200 Deore XT 12-Speed Shadow ES SGS Rear Derailleur
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The Shimano Deore XT RD-M8200 is designed for serious mountain bikers seeking precise and reliable 12-speed shifting performance in demanding trail conditions. This derailleur offers exceptional chain management through its Shadow ES low-profile geometry and integrated chain stabilizer, making it a top-tier choice for 1x12 trail setups. However, users should note that it is specifically optimized for 12-speed systems and requires a compatible Shimano 12-speed shifter and cassette to ensure optimal gear indexing.
| Model Part Number | RDM8200SGS |
|---|---|
| Brand | Shimano Deore XT |
No, the RD-M8200 is specifically engineered for 12-speed Shimano mountain bike drivetrains.
It is officially compatible with cassettes featuring a 51T large cog.
The clutch is designed for zero-maintenance operation, but you should keep the exterior clean and free of heavy mud buildup.
While it may function, performance is guaranteed only when used with Shimano 12-speed chains designed for this drivetrain.
SGS refers to the long cage version of the derailleur, which is required to accommodate the wide range of a 12-speed cassette.
Check the cable tension and adjust via the barrel adjuster; also inspect the derailleur hanger for misalignment.
Verify that the chain stabilizing switch is in the 'ON' position.
Adjust the 'Low' limit screw and verify that the B-tension screw provides enough clearance for the 51T cog.
Installation requires a standard derailleur hanger mounting process. Ensure the derailleur is correctly indexed using the barrel adjuster on your shifter. The RD-M8200 is strictly for 1x12-speed drivetrains using Shimano 12-speed compatible cassettes. Maintenance is minimal; keep the pulley wheels clean of grit and ensure the clutch mechanism is free of debris. Periodically check the pivot points for movement and lubricate with a light bicycle-specific chain lube if they become dry.
