SRAM eTap Blip satellite shifters allow you to shift gears with the twitch of a finger when you want, where you want.Blips must be purchased separately and installed in the gripsLimitless remote shifting positions for drop and aero barsCompatible with SRAM RED eTap and SRAM eTap AXS shift/brake controlsCompatible with BlipBox Aero cockpit control SRAM eTap Blips Electronic Shifter Part, SRAM UPC: 710845779848