Deore M6100 mountain bike Rapidfire shifter pod featuring 2-way release for cost effective Dyna-Sys 12-speed shifting performance. Light to the touch but positive and crisp, Vivid indexing provides a constant amount of shift lever force across all 12 sprockets.Key Features:2-way release allows shifting from various riding positions; the upper lever still performs the same shift function, but it can now swing in either direction allowing it to be released by the thumb or index finger,Dyna-Sys 12-speed compatible - for use with precision 12-speed MTB drivetrains,Pod design allows the use of these shifters with any brake lever,Multi-position adjustable handlebar clamp for custom lever positioning,I-spec-EV design is developed to attach directly to I-spec-EV brake levers,Barrel adjuster for fine gear tuning,Complete with Optislick inner and SP41 outer cables,Easy access clamp band adjustment for quick set up.