Shimano Deore SL-M590 Right Shifter is designed to work with all 9-speed Shimano mountain groups. The Deore M590 right shifter features Shimano's dual release lever giving you the option to use your index finger or thumb for up shifts.
Optical gear indicator
Derailleur cable included
Shimano single shifters do not include housing
Number of Speeds
Rear Derailleur Compatibility
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