Dropper post specific cables? Jagwire Pro Dropper Kit makes it a reality - Bikerumor
Amazon.com : Jagwire - Sport 4 mm LEX-SL Universal Bicycle Shifter Housing | Bulk Roll of 10 M | Slick-Lube Inner Liner | Orange : Bike Shift Cables And Housing : Sports & Outdoors
Amazon.com : Jagwire Shift Housing 4 mm Lex-SL Slick-Lube (10 m) – Ice Grey Spare Parts Adult Unisex, Grey, One Size : Bike Shift Cables And Housing : Sports & Outdoors
Jagwire LEX-SL 3 mm Dropper Seatpost Cable Sleeve 30 Meters, Black | Bikeinn
Universal Cycles -- Jagwire Sport 1x Universal Shift Cable/Housing Set [UCK350, UCK352, UCK351]
Jagwire Pro Brake Cable Kit Road SRAM/Shimano, Black - Two Hoosiers Cyclery, LLC