Maximize the lifespan of your waxed chain with Silca EnduranceChip. Designed to complement Secret Chain Blend Hot Melt Wax by extending the single application longevity by 2-3X Endurance Chip allows you to extend wax intervals up to 600-800km before rewaxing. This hot melt wax additive is a key part of the Silca wax lube products lineup perfectly integrated for use with the Ultimate Chain Waxing System.