Wide link Shadow design Dyna-Sys 10-speed top normal Deore rear derailleur
Double servo-panta mechanism for smooth light action shifting
Single tension spring prevents contact with the chainstay resulting in a silent ride
Alloy and steel construction leads to lower weight without compromising strength and durability
Wide link design increases rigidity and service life
Top normal return spring lends to incredibly intuitive operation when combined with Rapidfire shifters 
Large 11 tooth pulleys are used for longer life
Two fluorine-coated link bushings for low-friction operation
Dyna-Sys HG-X 10-speed compatible only
47T capacity SGS cage
Compatible with 32-36T low sprocket