SRAM X4 TRIGGER SHIFTERPRECISE AND RELIABLETrigger shifters are great for flat bar road bikes and mountain bikes. The SRAM X4 Trigger Shifter provides precise and reliable shifting and is great for repairs or upgrades. The shifters include cables, but the housing is sold separately. These are designed specifically for SRAM 1:1 mountain bike derailleurs. Front Shifter: 3-Speed Rear Shifter: 8-Speed Features Trigger shifters that provide precise and reliable shifting Includes cables but not housing Designed for SRAM 1:1 mountain derailleurs | Sram | X4 Trigger Shifter | Black | Rear (8-Speed)