Features: High Execution Planumberebog: This trail cycle dropper post features a external cable pathing structure, consistent 30.9mm and 31.6mm seatpost diameters, ensuring flexibility and stability for smooth control. Premium Aluminum Substancemail: Constructed with thin aluminum alloy, this seatpost reduces overall cycle weight while enhancing durability and oxidation resistance for permanent assist. Multiple Travel Preferencesecond: Available in 100mm, 125mm, 150mm, and 170mm travel lengths, allowing users to opt for various riding circumstances and height demands. Wide Agreement: Developed for external cable pathing, this seatpost accommodates standard skeletons lacking the need for internal pathing, making it excellent for road, mountain, and trail velocipedes. Easy Installation and Actparticlemail: Simple installation process ensures quick seatpost replacement, while the cable control plan allows for accessible height adjustment, facilitating seamless conversions across terrains. Specifications: Colorebog: Black Substancemail: Aluminum alloy Seat tube diameterebog: 30.9/31.6mm Tire tube diameterebog: 24mm Hoisting athandlemail: 100/125/150/170mm Wire center lengthelhellnonbeing: 166cm Pipe lengthelhellnonbeing: 151cm Package Includes: 1x dropper tube note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.