The SRAM BlipBox RED AXS eTap is the compact electronic control unit at the heart of SRAM’s wireless shifting systems for aero and time trial setups. Designed to be hidden inside your bike’s frame, stem, or dedicated cockpit, it connects wirelessly to your RED AXS eTap derailleurs and wired to your Blips or Clics, giving you clean aerodynamics and a clutter-free cockpit. With intuitive pairing and simple button logic, it allows you to control front and rear shifting with minimal hand movement, ideal when you are in an aggressive aero position and focused on speed.
Engineered for reliability and ease of use, the SRAM BlipBox RED AXS eTap offers long battery life, straightforward charging, and secure wireless communication. Its compact form factor and flexible mounting options make it a favorite for triathletes and time trialists who demand both performance and integration. Whether you are building a new aero bike or upgrading an existing one to wireless shifting, the BlipBox provides precise, consistent gear changes at the touch of a button, helping you maintain rhythm, conserve energy, and stay fully in control during your fastest efforts.