【Compatibility】:This 415 chain master link,Quick Split Chain Link fits for 2-stroke engine motorized bike.It has a wide range of applications, and meets or exceeds the original factory specifications, can be directly replaced to meet your various needs. Please confirm whether the product is suitable before ordering. 【Professional Tools】:The Single Speed Removable Quick Split Chain Link will replace that old, busted 415 chain's master link on your heavy duty motorized bike chain.Adopts excellent manufacturing process with steady performance,It can provide you with a superior experience. 【Dimensions】: Motorcycle Main Link Length: 21mm/0.83", Chain Pitch: 12.5mm/0.49", Width: 11mm/0.43", Axle Diameter: 4mm/0.16", Chain Plate Thickness: 1.5mm/0.06 inch. Our goal is to provide high-quality products and pre-sales and after-sales services. If you have any questions about our products, please feel to contact us, we will reply you as soon as possible. 【High-quality Materials】: This motorbike chain link chain master link is made of high-quality Carbon steel materials,not easy to deform and damage, strong and wear-resistant. Manufactured according to strict quality control standards, the improved design can extend the service life. 【Easy to Install】: Speed bike chain master link is easy to install and remove, just simply remove the old and put on this new one, no modification is required. The installation is simple and can be completed in a few minutes. It is your ideal accessory.