UNTESTED, sold AS IS for PARTS or REPAIR purposes. Anywhere else will cost extra.
Aluminum Alloy Seatpost, 33.9mm x 600mm CNC Dropper Post with Adjustable Clamp for for brompton and for dahon Folding Bike Upgrades, Silver Grey Black(black)
Nexbrill Bicycle Seatpost Clamp for Dahon Folding Bike, 40mm Ultra-Light 6061 Aluminum Alloy Locking Collar, Strong Quick Release for Road MTB Cycling(black)
Dahon folding bike carry bag (El Bolso) for 16/20/26 inch bikes.
Dahon Mu XL Sport Folding Bike Shimano Nexus Eight Hub Gears 
Dahon rear rack for 20 inch folding bike
20 in Folding Bike Cargo Rack Rear Bicycle Rack for Dahon Kac083 Kaa084
