Sram: Simplicity and performance made for all day adventures. The pure shifting performance of Eagle AXS™ is now available with GX. Shift under load, over the roughest terrain, uphill, without changing your grip on the bar. GX Eagle AXS™ changes your level of control on the bike when you’re under pressure and pushing hard. More than that, it changes your relationship with the bike. No cable, housing or wires to manage opened up design and engineering possibilities with the GX Eagle AXS™ controller. Featuring the proven ergonomic touchpoints that make shifting effortless, they are customizable to your preferences, allowing you to choose which button does what through the AXS™ App. SPECIFICATIONSDefault Function: AXS - Rear DerailleurOrientation: RightControl Points: DoubleClamp: DiscreteCompatible with ANT+ devices: YesLever adjust: NoMulti-position: YesBattery size: CR2032Color (SL): Black