40mm of adjustable air suspension 100mm (27.2) or 120mm (30.9 & 31.6) of drop depending on diameter Great for smoothing out the bumps in the road, also helps for stability when coming to a stop Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever. Lifetime Warranty Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever. The Coast Suspension Dropper Post combines saddle height adjustment with built-in air suspension for added comfort and compliance. Featuring integrated suspension travel within the dropper, it helps absorb small bumps and trail chatter — ideal for gravel bikes, hardtails, and rigid setups. Available in 27.2mm, 30.9mm and 31.6mm diameters with multiple drop travel options. Delivers both performance and comfort in one innovative seatpost design.