Sram: Be it the fireworks of a finale, an ideal rhythm, climbing on the top, or a deep, dark place extracting the last kilojoule of effort on your bike split, you want to adjust your gear with the twitch of a finger. eTap Blip satellite shifters allow you to shift when you want, where you want.Compatible with SRAM RED eTap® shift/ brake controlsCompatible with BlipBox Aero cockpit controlSRAM 11-speed compatibleLimitless remote shifting positions for drop and aero bars