Shimano BT DN320 Di2 Wireless Rear Derailleur Electric Bike Shifting Battery

BT-DN320 technical specification supports reliable performance, accurate fitment and confident product replacement Purpose built construction helps users maintain equipment function without unnecessary compromise or guesswork Battery Built-In Type BT-DN320 design provides a practical solution for upgrades, routine servicing or precise compatibility based repairs Durable materials support repeated handling, load and outdoor use across demanding sport conditions Clear model identification makes ordering and workshop checks easier, reducing mismatch risk during installation

Built for the latest 12-speed Di2 wireless drivetrains, this high-efficiency internal battery delivers long-lasting performance and rock-solid reliability on every ride.With smart charging, compact design, and seamless integration, it’s the heartbeat of your Di2 setup. Charge it up, clip in, and ride with flawless, electronic precision.