X10SL Chain (10-Speed) Large (57-59) Extensive CNC machining for weight

Extensive CNC machining for weight reduction without impacting strength

Double X-durability KMC chains are put through a heat treatment process twice to maximize strength so the chain lasts longer and goes farther

SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction

Raceface and other brands

Aluminum cups require TruVativ or compatible installation tool

X10SL Chain (10-Speed) Large (57-59) Extensive CNC machining for weightX SL series chains are high quality, high performing chains offering amazing shifting performance on any drivetrain you choose. For athletes looking for the lightest, strongest, smoothest shifting chain look no further. Compatible with Campagnolo, Shimano, or SRAM 10 speed systems Full nickel plated for corrosion and abrasion resistance Double X durability KMC chains are put through a heat treatment process twice to maximize strength so the chain