This set contains the AXA Atlas Large, ULC 130 plug-in chain and a handy saddle bag in which the plug-in chain can be stored. The Atlas Largehas a strong 8.5 mm shackle, easy-to-use locking, and welded housing for security. It fits tires up to 72 mm wide and works with ULC chains. AXA’s key service offers quick replacements. Perfect for safer cycling.