The KMC S1 is a single-speed chain suitable for use with internally geared hubs or any single speed drivetrain.High pin power with reinforced durability Offers a quieter riding experience Anti-drop design Internal gear hub system compatible
| Links | 112 |
| Drivetrain Speeds | Single Speed 1/2" x 1/8" |
| Chain Connection Type | Reusable Master Link |
| Color | Gold |
| Half Link Chain | No |
| Defined Color | Gold |