Feature 1The product is made of high quality steel with good toughness, wear resistance and long service life. 2Every connector of the chain has been carefully dealt with, so it is not easy to fall off. 3The product can be used as a general chain to replace the chain of 6/7/8 speed flywheel. It is suitable for 18, 21, 24 speed mountain bicycles and road bicycles. 4It is very suitable for replacing old or damaged chains on bicycles. 5Excellent workmanship ensures that the chain and gears are closely occluded.SpecificationFeature: The product is made of high quality steel with good toughness, wear resistance and long service life. Every connector of the chain has been carefully dealt with, so it is not easy to fall off. The product can be used as a general chain to replace the chain of 6/7/8 speed flywheel. It is suitable for 18, 21, 24 speed mountain bicycles and road bicycles. It is very suitable for replacing old or damaged chains on bicycles. Excellent workmanship ensures that the chain and gears are closely occluded. Specification: Material: Metal Weight: 316g / 11.1oz Suitable bike: 6-7-8 Speed / Folding bicycle Package list: 1 * Bicycle Chain Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Please note that IG31 and IG51 models will be sent randomly, and make sure you will not mind before ordering.