AM RD RED ETAP AXS D1 MAX 33T

The SRAM RED eTap AXS™ is much more than an evolution. It is a12-speed revolution. The developers of SRAM created a groupset that is as capable as today's riders and the bikes that they choose. It offers more range, a smoother gear progression, as well as smarter shift settings —enabled by AXS™ and the simplicity of eTap® shift logic—so that you are always in the right gear.
AXS™(Access) allows you to easily personalize the groupset right from your phone and enable your choices while riding. The SRAM AXS™ app (for Google Android and Apple iOS platform available) allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware.

SRAM RED eTap AXS Rear Derailleur 12-speed - The heart of the connected cadre

The SRAM RED eTap rear derailleur is AXS™ enabled for easy personalization and designed for both1x- and 2x12-speed systems. The advancedOrbit chain managementkeeps it silent and secure no matter the terrain. The derailleur also comes with faster -because they are larger X-Sync pulleys, ceramic bearings, improved motors and signals, improving speed in every way.
Wireless connection via AIREA network for fast and clean installation.