The customer-favorite KMC Wax X12 chains treated with the KMC GO Waxed formula from the factory offer high efficiency and unrivaled durability. The Was X11 is elaborately designed and manufactured with X-Bridge technology that allows a smooth propulsion and perfect gear changes in all driving situations. Don't spend extra time waxing your new chain at home, buy a KMC pre-waxed chain, skip the mess, and go ride your bike!

• Compared to oil-based lubricants, waxed chains are less susceptible to dirt build-up – increasing drivetrain life and reducing cleaning intervals
• KMC's special Titanium Nitride coating provides very high hardness, corrosion resistance and an ultra-smooth surface
• Double X-Bridge provides increased shifting precision and speed
• Inner and Outer chamfered ramps specifically engineered to engage with chain rings and cassettes quickly and provide smooth shifting