evo.com | PNW Components Dropper Seatposts > The third iteration of a post that's already become a crowd favorite, the PNW Components Rainier IR V3 Dropper Post is as consistent and reliable as anything on the market. It's air-sprung, keeping it light. Cable-actuation means it's easy to service, with no crazy hydraulic fluid to deal with. In a configuration to fit pretty much any bike and body combo, the Rainier IR V3 is a dropper for all riders. Aluminum Internal Cable Routing Tool-Less Travel Adjust Sealed Air Cartridge | PNW Components Rainier IR V3 Dropper Post 2025 - 27.2x100mm | Aluminum