Description: Mountain bike road bike chain 6/7/8/9/10/11/18/21/24/27/30/33 speed bicycle accessories The waist guide angle design, the tooth tip and the chain piece quickly occlude, the stability and safety are greatly improved The high-quality steel is fully electroplated, and the chain shaft is fitted with a strong chain shaft, which improves the wear resistance and can withstand strong pedaling The chain speed change is convenient, the force is even, no drag chain, no noise, smooth operation Tensile and torsional strength of the chain piece, easy to remove sand and reduce wear Specification: Material: Steel Size: Approx. K8: 6/7/8/18/21/24 speed Number of links: 116 links Shaft length: 7.1mm/0.28inch K9: 9/27 speed Number of links: 116 links Shaft length: 6.4mm/0.25inch K10: 10/30 speed Number of links: 116 links Shaft length: 6.3mm/0.25inch K11: 11/33 speed Number of links: 116 links Shaft length: 5.8mm/0.23inch Package Includes: 1 Piece Bike Chain Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.