The 11-speed LINKGLIDE version of the Deore long-cage mechanical drivetrain has all the same durability-driven features as the 12-speed model including the Shadow ES wedge-shaped design with a low-profile slim stabilizer and wide link structure and a steel pulley cage.Shadow ES design provides a slimmer stronger evolution of Shimano's pioneering chain-stabilizing Shadow conceptWedge-Shaped design is made to move out of the way to absorb trail impactsOffers excellent range when paired with a LINKGLIDE 11-50t cassette (cassette sold separately)Steel pulley cage adds extra strength and durability to the design13t upper and lower pulleysCompatible with HG and LINKGLIDE 11-speed chains (sold separately)