The SRAM Wireless Blips are designed to be placed anywhere on your extensions or drop bar without having to worry about proper wire length or internal routing. Pair through your primary shifter, place wherever you want and go ride. Features: Compact, thumb sized package Wireless electronic eTap shift logic SRAM AXS enabled for east customization Tactile, easy to press button for quick shifts Includes mounting brackets for installation on drop bars Specifications: Compatibility: SRAM AXS groupsets Waterproof Rating: IPX7 Color: Black Weight: 13g (Pair) Battery Note: The batteries on these wireless blips are not rechargeable or replaceable. SRAM warranty guarantees the batteries for 2 years after the purchase date; however, SRAM testing shows that the batteries can last from 4 to more than 7 years. Blip battery levels can be checked using the SRAM AXS Mobile App. Complete The Setup: The Zipp SL-80 Aero Handlebar was designed with Blip position cutouts to create a seamless fit.