A suspension seatpost can do wonders for your comfort on the bike by isolating one of your most important contact points with the bike from rough roads or trails: your bum! The proven linkage driven, coil sprung design delivers a compliant yet supportive ride quality. Perfect for e-bikes and featuring durable stainless steel bushings and adjustable spring preload, our 174HUDSON seatposts will keep you in the saddle happier for longer. A. 27.2mm Seat Post: Fits All Standard Adult Bicycles (Except 600X and Sauce) and Launchpad B. 30.9mm Seat Post: Fits 600X and Sauce (pre H2 2024 production) only C. 31.6mm Seat Post : Fits Priority Current e-Bike, Embark, Gemini, and H2 2024 and on production Sauce Fun fact: The upper portion of the Priority Folder telescoping seatpost is 27.2mm size and can be upgraded with a suspension seatpost! Travel ~50mm Length 370mm Weight 870 grams (31.6mm) Extension Minimum – 80mm / Maximum – 290