The Tranzx SP19 Dropper Seat Post is crafted from durable Alloy #6061-T6 and features external routing for smooth adjustments with minimal cable movement, thanks to its innovative mid-cap design. With a 31.6mm diameter and 100mm drop, it offers versatile performance on any terrain. The included Up/Down Dropper Lever enhances convenience and control, making it a reliable and comfortable choice for every trail. SKU: JD-SP19-316-100.