SMOOTH, FAST, AND ACCURATE: With Double X Bridge construction, our chains increase shifitng precision and shifting speed and our High Pin Power Riveting solves chain stretch and gives you more miles. INNER & OUTER CHAMFERING: Ramps specifically engineered to engage with your chain rings and cassettes quickly and provide smooth shifting. HIGH-END COATINGS: X8 Chains are available in our EcoProteq and our Hardy Nickel Plate options. HIGH PIN POWER RIVETING: Get more miles with our extra strength high-pin-power chains. EASY TO INSTALL: chain joints for the magic buckle, easy to disassemble, easy to clean, reusable.