KMC 10sp Mountain & Road Chains. Features: X10SL DLC: superlight chain for use with 10-speed Campagnolo/Shimano/SRAM with Diamond Like Coating for extra durability, 253g X10SL: superlight chain for use with 10-speed Campagnolo/Shimano/SRAM (Gold color is Ti Nitride coating), 252g X10e sport feature optimized pin power and enhanced durability of use with strong mid-motors EPT (EcoProTeQ) chains double the rust resistance compared to Rust Buster treatment. The smoother coating results in less noise, optimum performance and maximum rust resistance X10.93: upgraded version of the Z-9000 chain stretchproof, super-narrow chain for use with 10-speed Campagnolo/Shimano/SRAM Specs: Model: X10SL DLC Speed: 10sp Size: 11/128" Width: 5.9mm Links: 116 Color: black/black Package: each