SRAM RED eTap AXS HRD 1x12 Upgrade Set with Hydraulic Disc Brakes - Flat Mount - 6-Bolt
Cycle Logic - SRAM Red ETAP 2x11 Upgrade Kit Road All of the underlying tech in our new SRAM RED® eTap, such as wireless shifting, advanced battery power management, and mechatronics technologies,
SRAM Red eTAP Wifli Upgrade Kit Groupset - Mantel
Sram Red eTap HRD WiFLi Upgrade-Kit 2x11 Flatmount - buy at Galaxus