Features • Reliable Performance: Prevents hot cracking from extreme temperatures and speed riding, ensuring consistent operation in various conditions • Versatile Compatibility: The roller chain connector fits 50cc to 212cc dirt bikes and ATVs, providing a universal solution for your bike needs • Ample Quantity: Includes 20 pieces of bike chain links, simplifying the process of replacing old or damaged components for seamless repairs • Superior Durability: Crafted from premium 40Mn material, these connectors resist deformation and offer long-lasting performance for repeated use • Effortless Installation: Lightweight and compact design allows for quick and easy installation, getting you back on the trail in no time Features: 1、Reliable Works: Can prevent hot cracking caused by intense heating and cooling under cold weather and speed riding. 2、Better Fitting: The 420 roller chain connector allows for broad application on 50cc 70cc 90cc 110cc 125cc 212cc Dirt Bike Pit ATV, etc. 3、20Pcs in Total: There are 20pcs bike chain link in the set, making the replacement of old and damaged parts easier. 4、Great Material: Using premium 40Mn material, not likely to deform, also has excellent durability for repeated using. 5、Easy to Install: Designed to have a compact size and a light weight as well, the installation is very easy to finish. Specification: Item Type: Master Chain Link Model: 420 1 cl Material: 40Mn Package List: 20 x Master Chain Link 1 x Storage Box Note: Please please check the width and model of bike speed chain before purchase. Package List 20 x Master Chain Link 1 x Storage Box