SRAM Red eTap AXS 1x Electronic Aero Groupset: AXS BlipBox, 2 Blips, 2 Clics, Rear Derailleur, D1 | Tree Fort Bikes
How to Route Cables on Sram Red eTap Aero - YouTube
Bent Up Cycles - SRAM etap blip box. Technically, you only need this and don't need the blips. But I have found that shifting with the blips by the brake levers works
SRAM's eTap Wireless Electronic - Slowtwitch.com
SRAM eTap BlipBox Remote Shifter for sale online | eBay
SRAM Etap Blip Grips secure your blip shifters to aerobars