KMC Chain - X11TT 11 Speed 1/2 INCH X 11/128 INCH 118L Neo Chrome

Fabricated by tailored forging and heat treatment procedures has created an embossed double X-Bridge and optimal chamfering to provide smoother chain and tooth interaction and enhance shifting performance. The hollow plates reduce weight while the overall chain construction reduces rider effort and therefore improves riding distance 5% farther and drivetrain efficiency by 4% - go farther, faster!