This dealer manual provides installation, adjustment, maintenance, and safety instructions for the Shimano 6770 Series electric gear system.
This document is a dealer manual specifically designed for professional bicycle technicians working with the Shimano 6770 Series electric gear system. It covers essential topics including system components, installation procedures for shifters, derailleurs, and batteries, as well as adjustment and maintenance guidelines. The manual also details battery usage, charging methods, and troubleshooting information. This manual is written in Chinese.
The left crank bolts must be tightened to a torque of 12-14 N·m.