Deore M4120-SGS 10/11-Speed Rear Derailleur
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Deore M4120-SGS 10/11-Speed Rear Derailleur
Tech Specs

Specifications are maintained on Pack4Back GearDB (community edits and revision history). Values may differ from the manufacturer or your unit—verify before buying.

BrandShimano
Best UseMountain Biking
Derailleur TypeRear
Cage LengthLong Cage
Max Rear Cog Size42T
Speeds10-speed
WeightUnavailable
Description

Using a low-profile Shadow RD design to reduce chain slap and improve retention, the Shimano Deore M4120-SGS derailleur is perfect for both 2 x 10-speed and 2 x 11-speed MTB drivetrains.

Features
  • Low-profile Shadow RD system features a chain stabilizer that can be switched on or off to match terrain, reducing chain slap for a quieter ride and improved chain retention
  • Compatible with both 2 x 10-speed and 2 x 11-speed drivetrains
  • Low-profile design avoids damage from rocks