materials - - The chain is made of selected stainless steel materials, which makes them have high strength and wear resistance, and is durable. Simple installation - - easy to install and remove, no complicated steps, no complicated tools required, economical and applicable Direct Replacement - - This product is based on the original standard, reasonable size, can directly replace the old or damaged, very suitable for your car Professional production - - This product meets the standard specifications and strictly follows the factory quality control. The product quality is worth your trust Applicable object - - This chain can be used for 47cc 49cc bicycles, ATVs and scooters. It is a practical vehicle accessory. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.