

The Shimano Di2 Internal Battery Charger makes charging your Di2 electronic shifting system a snap. With its indicator lights that tell you when it’s charging and when it’s fully charged, you don’t have to guess. Plus, a full charge takes just 90 minutes. But don’t worry too much about missing a charge—your system will only need to be charged every couple months.
Price: $91.16 from Backcountry
| Merchant | Price | |
|---|---|---|
| $91.16 | Visit Store |
When it’s time to top off our Di2 system, we turn to the Shimano EC-DN100 Charger for fast, reliable power. Compact and simple, this charger is built specifically for Shimano’s DN300 and DN110 internal batteries, delivering stable charging through...
XT SM-RT81 Centerlock Rotor Lockring
"What Our Gearhead® Experts Are Saying: ""I just started running the BT-DN300 in my new Di2 setup, and the clean look is a major win. It fits perfectly inside the seatpost, and the extra SD300 port gives me the wired backup I want for longer endurance...