- 10-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 10-speed drivetrains
- Maximum low sprocket 32T with double chainset
- Maximum front difference 22T, total capacity 40T
- Average weight 232 grams
