KMC Z1eHX BMX Chain. Mushroomed rivets for increased chain strength. Heavy duty structure. Anti-drop design. For single speed, fixed gear, and internal gear hubs. Formerly Z610X Model It's ideal for the most extreme off-road trails, featuring a tough construction and built-in features like mushroomed rivets and an anti-drop design for added durability. Plus, it’s a direct upgrade from the former Z610X model. KMC Z1eHX BMX Chain offers long-lasting performance and maximum reliability for the toughest of trails. Its heavy duty structure and mushroomed rivets provide the strength and durability necessary to handle single speed, fixed gear and internal gear hubs, so you can enjoy your ride with confidence and peace of mind.
