KMC X9SL x 116L, CP 9 Speed Chain 1/2" x 11/128" with 112 links Anti-drop design with full nickel plated structure Works with Campy, Shimano or SRAM Ideal for single speed bikes Mushroomed riveting, Hollow inner plates, and double x Bridge shape Chain Color: Silver, Chain Model: X9Sl, Chain Speed: 9sp