- Features chamfered side plates for fast, smooth, quiet shifts \n - SRAM and Shimano compatible \n - Delta hardened pins (not on PC830), step riveting, and nickel-silver plating on upper-end models for extra durability \n - The higher the model number the greater the load capacity \n - Includes PowerLink connector thats opens and closes without tools \n - E-Bike Approved \n - Save an additional 5+% on select 25/box bulk chains with connectors (no aftermarket packaging)