The CN-E6090 chain has a unique, asymmetrical design. The specially formed plates optimize the interaction between chain and cog as well as smoother shifting under load. The inner side is optimized for rear HG (Hyperglide) shifts and ensures fast and precise shifting. The outer sided is optimized for chainring shifts. The sides of the chain are marked to ensure that the chain is correctly assembled. The side with the markings is the outer side.
Warning: The high shifting performance is achieved only through proper assembly. If the chain is assembled incorrectly, the chain may fall which may lead to serious injury.
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