KMC Chain X11.93 11 Sizepeed Bicycle Chain 1/2 x 11/128 in, 118 links Nickel Plated Bike Chain

1/2 x 11/128 inch with 118 links Double X Bridge shape for super fast and smooth shifting Half nickel plated and mushroomed riveting Highest pin power and stretch proof treatmentX2.0 and is non-directional