Di2 BT-DN320 Derailleur Battery

Designed specifically for Shimano’s wireless XTR Di2 system, the BT-DN320 powers the lightning-fast, precision shifts XTR is known for. Housed securely within the rear derailleur, this compact battery is built to stay protected and perform reliably, no matter how rugged the ride.

Features:

• Integrated & Secure: Mounted internally inside the derailleur for protection against impacts and vibration.

• Reliable Performance: 310mAh capacity delivers long-lasting power for extended days on the trail.

• Easy Charging: Fully removable design makes recharging simple and hassle-free.