FD-M3120-M-B
• For front double chainring
• Smooth and quiet front shifting on the trail
• More powerful outward shifting
• Wider traction range reduces chain rub for rear suspension bikes
• Extra wide range with front double 36-22T
• Wide frame mounting compatibility
• Available in D, E, and M-type mounts
•*M type mount requires adapter (o34.9 mm)
• Compatible with 2.3-inch tire on wider rims
• 51.8 mm chainline