Rear Derailleur

	Dura-Ace	Ultegra	105SC	RX100	RSX	300EX
Feature	RD-7700	RD-6500	RD-1056	RD-A551	RD-A410	RD-HG50
Pulley Cage	SS	SS / GS	SS / GS	S / GS	SS / GS	SS
Speed	8 / 9 speed	8 / 9 speed	8 speed	8 speed	7 speed	7 speed
11T Pulley	X	X
Stainless steel nut & bolt	X	X
Front diff.	14T	14T / 22T	13T / 22T	13T / 22T	13T / 20T	13T
Total Capacity	26T	29T / 35T	28T / 35T	28T / 35T	28T / 36T	28T
Max rear sprocket	27T	28T / 26T	28T / 26T	28T / 26T	28T	28T
Min Rear sprocket	11T	11T	12T / 11T	12T / 11T	11T	12T
Riveted adaptor available						X
Adaptor for direct attachment			X	X	X	X
Direct Attachment	X	X	X	X	X	X
Bracket Body	Aluminum /anodized	Aluminum /Clear Coated	Aluminum /Painted	Aluminum /Barrel	Aluminum /Painted	Aluminum /Barrel
Plate Body	Aluminum /anodized	Aluminum /Clear Coated	Aluminum /Painted	Aluminum /Barrel	Aluminum /Painted	Resin
Outer Link	Aluminum /anodized	Aluminum /Clear Coated	Aluminum /Painted	Aluminum /Barrel	Steel /Chrome Plated	Steel /Resin cover
Inner Link	Aluminum /anodized	Aluminum /Barrel	Steel /Pearl Bright	Steel /Pearl Bright	Steel /Painted	Steel /Zinc plated
Outer Plate	Aluminum /anodized	Aluminum /anodized	Aluminum /Barrel	Steel /Pearl Bright	Steel /Pearl Bright	Steel /Pearl Bright
Inner Plate	Aluminum /anodized	Aluminum /Barrel	Steel /Pearl Bright	Steel /Pearl Bright	Steel /Black Painted	Steel /Zinc plated