SHIMANO rear derailleur SLX 10 SGS speed mountain bike e-bike RD-M670 SGS OEM (without box)

Shimano SLX RD-M670 SGS 10-Speed Rear Derailleur

The Shimano SLX RD-M670 SGS Rear Derailleur is a 10-speed MTB rear derailleur designed for Shimano Dyna-Sys drivetrains. It features Shadow technology, which provides a low-profile design to reduce the risk of damage in technical terrain.

Key Features

• 10-speed MTB drivetrain compatibility
• Compatible with 1×10 / 2×10 / 3×10 setups
• Dyna-Sys technology for efficient MTB shifting performance
• Shadow design (low-profile construction for better protection)
• SGS long cage version
• Maximum rear sprocket: 36T
• Weight: approximately 281 g

Technical Specifications

In practice

The Shadow design keeps the derailleur closer to the frame, reducing exposure to impacts from rocks and trail obstacles. The SGS long cage allows compatibility with wide-range 10-speed drivetrains, handling cassette setups up to 36T.