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The KMC S1 is a 1/2 x 1/8 112 link single speed chain designed for BMX's, track, fixed gear, internal gear and single speed bikes. With a highly durable bushless construction, the S1 is utterly reliable and great value to boot.
The KMC S1 is a 1/2 x 1/8 112 link single speed chain designed for BMX's, track, fixed gear, internal gear and single speed bikes. With a highly durable bushless construction, the S1 is utterly reliable and great value to boot.