Durable, high quality single speed chain suitable for Track, BMX and E-Bike useFeatures pins made from specialized materials and produced using advanced manufacturing techniques, complemented by a unique surface treatmentDelivers significantly improved wear resistance and longevity over other similar chainsFully NJS certified for track racing1sp1/2x1/8106LNJS Screw TypeBlack/GoldUPC/EAN/GTIN: 4589931950012