Sram xx 10sp grip shift shiftergrip shift by sram 10 speed three rows of ball bearings for smooth shifting action full metal shift indexing integrated lock on grip design unrivaled features exact actuation for precise and dependable 10 speed performance speed metal shift indexing rolling thunder ball bearing technology jaws lock on grip technology carbon cover includes lock on grips grip jaws lock on grip material carbon cover recommended group xx compatibility sram 2x10 only speed