Why Is the Shimano SM-UG51 Quick-Link the Right Connecting Solution for 6, 7, and 8-Speed Chains?

The Shimano SM-UG51 Quick-Link provides a simple, tool-free solution for connecting 6, 7, and 8-speed Shimano chains. Each package contains one link, offering a secure and reliable connection that meets Shimano's standards for chains in the HG and UG chain families. Quick-links eliminate the need for a chain tool for initial installation and make chain removal for cleaning and maintenance straightforward. A practical piece of kit for any mechanic or home wrench working with 6 through 8-speed Shimano drivetrains.

Compatible with Shimano 6, 7, and 8-speed chains including the CN-HG40, CN-HG71, and UG-series chains. One link per card. Note: Shimano quick-links are single-use and should be replaced each time the chain is removed.