SpecificationThis item is a 9-speed bike chain with 116 links. Can be used for BMX bike, folding bike, and mountain bike. A perfect chain for commuters, city bikes, or cyclotrons, ect.Feature- Color: As shown - Material: metal - Size: 146 x 1 x 0.5cm - Narrow 9-speed, 116 links construction - Produced by high temperature quenching, grinding, durable and tensile. - Surface antirust treatment, durable and safe to use. - Max Tensile Strength of 800 KN - A perfect chain for commuters, city bikes, or cyclotrons, ect.