KMC's S1 chain is a 1/2" X 1/8" chain for use with single speed, internally geared and fixie bikes. Anti-Drop design helps reduce the likelihood of dropped chains. Formerly the Z410 model.
- For non-derailleur bikes: BMX, cruisers, etc.
- Includes KMC Master Link
- Links (links): 112
- Width: 9.3mm
- Drivetrain Speeds: Single Speed 1/2" x 1/8"
