With the wide pivot link design boosting strength and rigidity, flex is suppressed, creating sharp, precise shifts that are faster and smoother, even from low to high gears off of the saddle. The chain cage has been narrowed specifically for 10-speed chains. Brazed on style mounting.

Features

• Wide link design: 20% increased rigidity.
• Pivot locations for less cage deflection : Pivot location at cage was moved to the point of maximum force to reduce cage deflection.
• Narrower chain cage : Narrower chain cage to accommodate 10-speed chain.
• Hyperdrive compatible
• Light action spring
• DUAL SIS front index shifting
• Specially-designed for 10-speed
• Capacity : FD-5600 16T, FD-5603 20T (specially-designed for FC-5603)

Specifications:

• Cassette Compatibility     10-speed
• Top Gear Teeth                  50-56T
• Maximum Capacity            16T
• Spring Cover                        yes
• Chain Stay Angle                61-66
• Mounting                              brazed-on
• Chain Line                           43.5mm