The Kinekt Active LR Aluminum Suspension Seatpost is sleek and versatile, providing 35mm travel with pre-load capability to effectively isolate your body from surface vibrations and impacts. LR is rated for riders 80 - 180lbs and includes springs tuned for a 140 - 180lb rider. This isolation improves comfort, control, and confidence, which ultimately leads to a more enjoyable ride. Includes 2 installed springs (1 upper, 1 lower) and 2 additional springs to tune for different rider weights Specifications Clamp StyleStandard RailsColorBlackDefined ColorBlackDiameter30.9Length420MaterialAluminumMin Height80Offset (mm)12Travel (mm)35Weight575