The KMC S1 is a single-speed chain suitable for use with any single speed drivetrain such as BMX, Fixie, and other single speed bikes using 1/8″ rings and cogs.Formerly known as the Z410 chain.

• High pin power with reinforced durability
• Offers a quieter riding experience
• Anti-drop design
• Internal gear hub system compatible
• A master link is included

Size:1/2″ x 1/8″ x 112L
Color: Brown

The KMC S1 is a single-speed chain suitable for use with any single speed drivetrain such as BMX, Fixie, and other single speed bikes using 1/8″ rings and cogs.Formerly known as the Z410 chain.

• High pin power with reinforced durability
• Offers a quieter riding experience
• Anti-drop design
• Internal gear hub system compatible
• A master link is included

Size:1/2″ x 1/8″ x 112L
Color: Brown