- 11-speed 105 wide link rear derailleur medium cage - GS
- Advanced Wide Link design increases rigidity and shifting performance
- Super stiff for fast and accurate changes across the cassette
- Large 11 tooth pulleys increase service life and reduce noise
- Super light shift action
- Compatible with 11-speed drivetrains
- Maximum low sprocket 25-30T with double chainset
- Maximum front difference 16T, total capacity 35T
- Average weight 225 grams