- S1 * 1/2" X 1/8" - 112 Links, pin length 8.6mm * For Internal gear hub / single speed * Silent action S1 Wide Rust Buster * 1/2" X 1/8" * Pin Length: 8.6 mm * 112 Links * Colour: Matt Silver * Bushless Construction * Anti Rust * Rust Buster coated * Single speed, internal gear, BMX, Track and Fixed gear **K62A - These products may temporarily be supplied unboxed in individual polybags**