Steel sprockets with nickel-chromed finish. Built with one triplet and 8 single sprockets.Six largest sprockets have a double frame system resulting in increased torsional stiffness for faster, more precise shifting. Includes alloy lockring. Item Specifications: Cogs, 11,12,13,14,15,17,19,21,23,25,27, Gears, 11sp, Range, 11-27t,.
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