KMC S1 Chain Single Speed and Ready To Mingle Speed The chain connects your crankset to your rear wheel so you can propel yourself forward. Replace your chain before it completely wears out to keep your bike running properly. The KMC S1 Chain is a single-speed chain suitable for use with internally geared hubs or any single-speed drivetrain. It has high pin power with reinforced durability, offers a quieter riding experience, and has an anti-drop design. Features High pin power with reinforced durability Anti-drop design so you can focus more on riding and less on putting your chain back on Internal gear hub compatible or you can use it on any single speed SPECIFICATIONSSpeeds Single Chain Length112 Links Chain Connector Reusable Master Link Inner Link Finish-Outer Link Finish-Pin Type Solid Intended Use BMX, Internal Gear Hub Weight N/A | Kmc | S1 Chain Single Speed 1/2 X 1/8 112 Links Brown