The patent-pending ShockStop City Suspension Seatpost provides 35mm of tunable, ultra-responsive suspension travel for the ultimate bump-eating comfort. Designed specifically for e-bikes, commuting and city riding to help you ride farther, faster, and more comfortably on the bike you already own. 
35mm of active suspension travel optimised for e-bikes, commuting, city riding, and recreation
Optimised linkage geometry provides ultra-responsive suspension feel
Infinitely adjustable stiffness via pre-load adjustment and swappable springs
Adjusting stiffness / pre-load does not reduce travel
Swappable springs included to accommodate heavier riders and/or ride preference