Our Intention With Reverb Axs™ Was Inventive And Pure: No Hoses. No Routing. No Energy Wasted. Not A Single Thing In The Way Of The Experience. We Created A Reliable Wireless-Electronic Dropper Post And Controller That Actuates With Drastically Less Effort And Zero Distraction. Expanding What´s Possible On A Bike, Reverb Axs™ Is Enabled By Sram Axs™ Technology, A New Level Of Interaction, Personalization, And Connectivity Across All Axs™ Enabled Components.Features:- New Features Vent Valve Technology For Super Simple Service If The Need Arises Without Any Disassembly Of The Post- New Lower Friction Ifp Allows For Faster Actuation Of The Post And Less Force Needed- Axs™ Technology Allowing For Customization To An Individual Rider'S Liking Via The Axs™ Mobile App- Axs™ Handlebar Controller And Battery Sold Separately- Shared Battery With All Other Sram Axs™ Enabled Components- System Is Completely Water And Dust Proof To Ip69kSpecifications:- Post Diameter: 30.9 Mm- Travel: 150 Mm- Post Length: 440 Mm- Connection Type: Wireless- Weight: 623 G