Shimano Deore M5120-SGS 10/11-Speed Rear Derailleur
Delivering consistent 10- or 11-speed shifting performance on rough terrain, the Shimano Deore M5120-SGS rear derailleur uses Shadow RD+ tech to boost stability and reduce chain drop, slap and noise.




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- Shadow RD+ system features a clutch and chain stabilizer that can be switched on or off to match terrain, reducing chain slap for a quieter ride and better chain retention
- Versatile design is compatible with 2 x 10- or 11-speed drivetrains and 1 x 10-speed drivetrains
- Design reduces chain tension in low gear
- Low-profile design avoids damage from rocks
- Maximum low sprocket size: 42-tooth when used with a 2 x 10- or 11-speed drivetrain, or 46-tooth when used with a 1 x 10-speed drivetrain
Imported.
View the Shimano Deore Product LineView all Shimano Rear DerailleursBest Use | Mountain Biking |
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Derailleur Type | Rear |
Cage Length | Long Cage |
Max Rear Cog Size | 46T (1 x 10-speed) or 42T (2 x 11/2 x 10-speed) |
Speeds | 10-speed 11-speed |
Weight | Unavailable |