Model Number FD-7900-B
Series DURA-ACE
Cassette Compatibility 10-speed
Top Gear Teeth 50-56T
Maximum Capacity 16T
Link Bushing upper & lower AB-pins
Spring Cover -
Chain Stay Angle 61-66
Mounting Clamp Band
Chain Line 43.5mm
Band Mount 28.6/31.8/34.9mm
Band Material forged aluminum/anodized
Outer Link forged aluminum/anodized
Inner Link forged aluminum/anodized
Chain Guide aluminum/nickel plated
Average Weight 67g (FD-7900-F)