Chain Shimano CN-HG71 6/7/8-speed

Designed for precise HYPERDRIVE SIS and DUAL SIS INDEX shifting, the SHIMANO HG71 chain is also rated for E-BIKE use. HG71 chain has improved construction connecting pins, increased tensile strength. Group: Shimano Acera Compatible with 6/7/8 speed drivetrains (SHIMANO, SRAM, SUNRACE and others) Type: HG (HyperGlide) Length: 116 links Weight: ~ 320 g External link: Silver Internal link: Gray Chrome-plated connecting pins Includes chain connecting pin (pre-installed) To join a chain, a chain tool is required. Chain length shortening might be neccessary for your system. Chain is not compatible with single speed or internal gear drivetrain systems. In this case, please use Shimano HG40 or HG71 instead.