The SRAM RED eTap AXS Electronic system is an intuitive, high performance wireless groupset. At the core of this drivetrain is AXS - the electronic integration platform that allows you to easily personalize the groupset right from your phone and enable your choices while riding. Orbit chain management provides a reassuringly quiet, secure and smooth ride, whatever the terrain.Groupset includes all electronic components for a 2x setup in a single package - cable brake/shift lever pair, front and rear derailleurs, battery, charger and cord, and Quick Start GuideFor use with mechanical rim brakesThe SRAM RED eTap AXS brake/shift levers seamlessly connect you with your bike by offering classic eTap shift logic with an updated ability to connect and personalize through the SRAM AXS appThe RED eTap AXS front derailleur features classic SRAM Yaw trimless cage technology with an optimized cage profile for SRAM Red front chainring combinationsBattery placement on the front derailleur is streamlined to allow for more rear tire clearanceThe RED eTap AXS rear derailleur features Orbit chain management technology to keep the drivetrain quiet and secure, and is enabled with SRAM AXS for easy personalizationRear derailleur includes optimized motor and signal travel for faster shifting, and is compatible with existing eTap batteriesTo complete your groupset, purchase a crank, bottom bracket, cassette, chain, and brakesItem SpecificationsBrake CompatibilityRim BrakeBrake Lever ActuationShort PullBrake TypeRoad Caliper - Short Reach - 39-49mmDrivetrain Speeds12Front Der/Shifter CompatibilitySRAM eTap AXSFront Derailleur ClampBraze-onNumber of ChainringsDoubleRear Der/Shifter CompatibilitySRAM eTap AXS