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The KCNC SRAM X-Sync 16D Ultra Derailleur Pulleyis made of machined AL7075 aluminum, with longer teeth than its predecessors and a new Narrow/Wide tooth profile.
Not only are they attractive, but they’re also the most efficient on the market. The new KCNC pulleys significantly reduce resistance with every pedal stroke. The new precision bearings they incorporate reduce chain friction as it passes through the derailleur pulleys and increase the power of each pedal stroke, resulting in less wear on drivetrain components.
They maintain higher chain tension in the bike’s drivetrain, which helps minimize both unexpected chain jumps and, above all, unwanted chain drops.
Compatible with Shimano and SRAM X-Sync rear derailleurs.
Tooth options: 16
Available in black, red, gold, green, and blue.
Weight: 8 g.
