Feature: 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. Please note that F80 models will be sent randomly, and make sure you will not mind before ordering.