SHIMANO Shimano Non-Series Batt Di2 Internal Black

The Shimano Di2 Power Pack is a long lasting 7.4V Li-ion battery that is both compact and reliable, eliminating effort and reliability have been proven by repeated field testing in various driving conditions including extreme temperatures, rain, mud and road pavers. A hard wired battery system that is both lightweight and accurate compared to current wireless technology (a wireless system requires 4 batteries: one for the rd One for the FD, and one for each gear lever) Using a single, small, discreet internal battery is lightweight, efficient and creates a robust and reliable charging system that can give between 1000 and 2000 kilometers depending on conditions and condition front operation (because it This is the main discharge of energy). 500 times rechargeable internal chip allows wireless system functionality of Bluetooth components. The battery is mounted with seat post or frame/fork. Manufacture of material normally inside. The seat post or seat tube/fork is reliable and secure, water resistant. Charging is done via the junction of the stem or the display of the handlebar. Battery Weight: 50g