Power Post Dropper Seatpost: Vintage 1990's - 26.8mm - Silver - Original Remote - 3 Position (Near Mint+ LOW Miles) - Bike Recyclery
MTB Dropper Seat Post. 27.2 mm dropper seat post in a 26.8 mm seat tube - YouTube
EVO E-Force AL Seatpost Black 400 X 26.8mm - SoCal Bike - Oceanside, Carlsbad and north San Diego county's favorite bike shop, Bicycle and ebike rentals, sales, and service