Red eTap AXS HRDFeatures- SRAM RED eTap shift-brake levers seamlessly connect you with your bike. Offering classic eTap shift logic with an updated ability to connect and personalize your bike though the AXS app, you'll shift more, with less effort and spend less time doing it.- Two Blips ports per side allow the easy addition of Blips and Clics for even more customization- X-Range gearing system with wider range and closer progression, so you're always in the right gear.- One rear derailleur for all gearing combinations, including 1x and 2x so you never have to worry about selecting the right derailleur- Orbit chain management system and a unique Flattop chain for a reassuringly quiet, secure and smooth ride, whatever the terrain- Front derailleur is streamlined for more rear-tire clearance- Includes Shifters/Brake levers, brake calipers, Front Derailleur (2x group only), Rear Derailleur (max 33T), 160mm Rotors, Batteries, Charger/cord, and Quick Start Guide- SRAM Model ID: GS-RED-E-B1Item Specifications-Misc:1x, Hydraulic Disc, Post Mount