Specifications Hign-concerned Chemical:None Type:MTB Bike Chains Model Number:Bike Chain Origin:Mainland China 8/9/10/11 Speed Bicycle Chain Variable Speed Mountain MTB Road Bike Anti-rust Chains Gold Cycling Accessories Feature: Fully electroplated gold, anti-rust, anti-corrosion, wear-resistant and durable. The flywheel has 8 rows, which is 8 speed. If your flywheel has 10 rows, it is 10 speed. Choose the chain corresponding to the speed according to the speed of the flywheel! Strengthen the embedded axis, high rigidity and strengthen the structure, compact, flexible and not stuck, withstand high pedaling force Fully electroplated gold, quenching heat treatment, enhanced abrasion resistance, abrasion resistance, surface anti-rust treatment, long-lasting shiny Double X-bridge type chain, improve the tensile and torsional strength of the chain, and speed change quickly and smoothly. Can cut the length according to your own car's needs. Specification: Color: Gold Length: 116 Links Speed: 6-7-8 Speed/9 speed/10 speed/11 speed (18S-21S-24S/27S/30S/33S) Weight: Approximately 334g (Z80)/306g (Z90)/315g (Z10)/287g (Z11) Suitable for: Most mountain bikes, road bikes, folding bikes, etc. Usage: STEP1: Determine the length of the chain, you can use the chain cutter to intercept the number of extra links STEP2: Put the two magic buckles on both ends of the chain respectively STEP3: Put both ends of the magic buckle on each other's chain shafts STEP4: After putting on each other's chain shafts, tighten both hands with both hands to fix the magic buckle in place Just count the number of chain links in your car, and cut the number of chain links (generally the chain length is around 104-110 knots) and use the chain cutter. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Bicycle Chain