The FDM 661 front derailleur has been beefed up with a wide body design, angled adjustment screws and improved clearance.
- Dual-pull, bottom-swing
- Capacity: 22T Max chainring: 44T
- Increased tire clearance through modified cage tail shape
- Multi-clamp: compatible with 28.6, 31.8, 34.9mm
- Compatible with Shimano 10-Speed Dyna-sys Drivetrains Only