Easton EA70 AX Dropper SeatpostEaston EA70 AX Dropp Seatpost 27. 2mm 350x50mm The EA70 AX dropper post joins Easton's AX series of horizon expanding drop bar gravel and adventure componentry. Features include a reliable cartridge design, internal routing and availability in two lengths 350mm and 400mm. The EA70 AX post brings 50mm of drop, allowing for fitment on everything from your wide tyred CX bike to modern gravel bikes. FEATURES Increase the capability of your adventure rig