Customize your hot wax for maximum performance. SpeedChip increases drivetrain efficiency for racing, while EnduranceChip extends wax longevity for high-mileage training or endurance events. Developed with WorldTour teams and elite athletes, these additives permanently modify the characteristics of SILCA Secret Chain Blend, letting you create the perfect recipe for your ride. SpeedChip:A fully synthetic wax blended with sub-micron and nanoscale Tungsten Disulfide. Designed for the fastest possible chain efficiency. Ideal for time trials and race days. EnduranceChip:A semi-synthetic wax with extremely long molecular structures for maximum durability per application. Perfect for long-distance and training chains. Specifications Permanently modifies hot wax 1 SpeedChip / 250 g improves efficiency by 0.4% 2 SpeedChips / 250 g improve efficiency by 0.6% 1 EnduranceChip / 250 g increases longevity up to 550 km 2 EnduranceChips / 250 g increase longevity up to 750 km Compatible with StripChip Enables custom wax formulas for race or endurance setups