RockShox Reverb AXS XPLR Dropper Seatpost - 27.2mm, 50mm, 400, Black, A1The RockShox Reverb AXS XPLR dropper post delivers more control, confidence, and fun on gravel roads everywhere. Getting the saddle out of the way means more room to move, saving you from awkward maneuvering and sketchy descents. Its design is complete with lightweight air only internals featuring built in compliance called ActiveRide . It's like travel for your saddle. Enabled by SRAM AXS technology, Reverb AXS XPLR is part of the ultimate