31.6mm x 160mm, have the upgraded BikeYoke titanium clamp bolts / nuts, originals included. I also have a new Hope Dropper lever I could do a deal on. Very latest 3.0 2026 version. 31.6mm x 160mm.
MEROCA Upgraded Speed Up 27.2mm/30.9mm/31.6mm Cable-Less Hydraulic Dropper Seatpost, 100mm/125/150mm Travel Dropper Post for MTB/E-Bike/Road Bike (30.9mm, 30.9*150MM)
JFOYH 30.9mm/31.6mm Hydraulic Dropper Seatpost 100mm/125mm/150mm Travel Remote Cable Control Dropper Post for Internal Routing Bike Frame(345mm/395mm/445mm Length)-900i 30.9mm*445mm*150mm
EXAFORM KS 900i 30.9mm/31.6mm Dropper Post with Remote Lever and Cable Kit MTB/Ebike Internal Routing Dropper Seatpost for Mountain Bike (Model: Diameter: 30.9mm, Length x Travel: 445mm x 150mm)
Bibike Dropper Post 27.2/28.6/30.0/30.4/30.9/31.6/33.9mm x 440mm Length 125mm Travel Remote External Cable
MEROCA Upgraded Speed Up 27.2mm/30.9mm/31.6mm Cable-Less Hydraulic Dropper Seatpost, 100mm/125mm Travel Dropper Post for MTB/E-Bike/Road Bike
PNW Components Cascade Dropper Post - External Routing MTB Seatpost - 30.9mm / 150mm Travel - Adjustable Air Cartridge - Mountain Bike Dropper
