This is the KMC 9 Speed Silver Bicycle Chain. Super lightweight design, and double-X durability make this the chain of choice for serious riders everywhere. Features: Full nickel plated for corrosion and abrasion resistance Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting Double X-durability KMC chains are put through a heat treatment process twice to maximize strength so the chain lasts longer and goes farther Hollow mushroom riveted pins for the highest pin power and allows shifting under heavy loads Hollow inner and outer plates and pins to reduce weight and help shed mud Specifications: Speeds: 9 Speed Links: 116 Chain Width: 6.6mm Chain Connector: KMC Missing Link 9 (Reusable) Pin Type: Hollow Color: Silver Weight: 272g Included: Includes KMC Missing Link 9