Here are 2x dropper posts that have came off customers bikes for upgrades, untested could make good one out two posts. Any questions pm.
"Rim Tape Pair (2x) for 26" Mountain Bike Wheels - Durable Bicycle Wheel Protect
DJC Bike Crankset 104BCD with Chainring BSA Bottom Bracket with Spindle for MTB 1x 2X 3X Speed Mountain Bike Black Red Oilslick 170mm 175mm (170mm Oilslick, Round 36T)
DJC Bike Crankset 104BCD with Chainring BSA Bottom Bracket with Spindle for MTB 1x 2X 3X Speed Mountain Bike Black Red Oilslick 170mm 175mm (175mm Black, Round 36T)
ETUKER 10 Pack Rear Reflector, Round Rear Reflectors Screw on Safety Reflective, Post Reflectors, Reflectors For Gate Posts for Caravan/Truck/Trailer/Boat/Motorcycle Fence Gate Posts(White)
ETUKER 10 Pack Rear Reflector, Round Rear Reflectors Screw on Safety Reflective, Post Reflectors, Reflectors For Gate Posts for Caravan/Truck/Trailer/Boat/Motorcycle Fence Gate Posts(Red)
ETUKER 8 Pack Rear Reflector, Rectangular Rear Reflectors Screw on Safety Reflective, Post Reflectors, Reflectors For Gate Posts for Caravan/Truck/Trailer/Boat/Motorcycle Fence Gate Posts(Red)