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.Features:- Limitless remote shifting positions for drop and aero barsCompatible with SRAM RED® eTap shift/brake controlsSpecifications:- Weight: 16g (per pair)- Compatibility: SRAM RED® eTap- Recommended Group: SRAM RED® eTap- Technology Highlight(s): AIREA™, eTapTechnology:AIREA™:Utilizing 128-bit encryption, eTap® shift signals are transmitted and received in accordance with SRAM's proprietary wireless protocol known as AIREA. Each time an eTap groupset is paired, a new encryption code is generated and assigned to the components in this group to ensure complete shifting security.eTAP:All of the underlying tech in our new SRAM RED® eTap groupset such as wireless shifting, advanced battery power management and mechatronics technologies are all meant to serve one ultimate purpose, to facilitate the most intuitive and consistent shifting available. This shift logic is called eTap. Right lever makes it harder, left lever makes it easier, both levers shift the front derailleur. Simple, unmistakable, and intuitive.