Exact Actuation shifting provides fast and accurate shifts More clearance with 28t cassettes thanks to a longer B-knuckle Silent shifting with optimized AeroGlide pulleys and ceramic bearings Chain pulley cage adds precise chain management Titanium pinch bolt keeps a low profile while minimizing weight Carbon cages, carbon inner links, and titanium hardware Spring-fixed barrel adjuster Red 11sp 28 Short GRYUPC/EAN/GTIN: 710845778643