K1SL Superlite Kool Chain The KMC K1SL SuperLite Kool Chain is suitable for a variety of single-speed riding styles, such as BMX or fixed gear, while offering substantial weight savings. Key Features SL Chain sets a new standard with weight reduction, improved shifting performance & enhanced durability The mud-shedding design is easy to clean Chain features a heavy duty structure and is treated with a stretch proof treatment for maximum durability Designed with KMC&';s Special Dynamic K Configuration which offers unsurpassable chain strength Inner plate chamfering provides expeditious shifting Features an anti-drop design