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The wide pivot link design boosts 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.

Technical Documents
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
Model Number FD-5600-B
Series 105
Cassette Compatibility 10-speed
Top Gear Teeth 50-56T
Maximum Capacity 16T
Link Bushing -
Spring Cover yes
Chain Stay Angle 61-66
Mounting band
Chain Line 43.5mm
Band Mount 28.6/31.8/34.9mm
Band Material aluminum/clear coated
Outer Link aluminum/clear coated
Inner Link aluminum/clear coated
Chain Guide steel/chrome plated
Average Weight 95g (FD-5600-F)