Shimano BT-DN320 Di2 Rear Derailleur Battery Lind shimano A serious tool for serious

A serious tool for serious athletes

Speed (RD): 12

threaded Composite Matrix cover keeps the USB-C charging port sealed and free from dirt and debris

Compound: SmartEVO AS

Shimano BT-DN320 Di2 Rear Derailleur Battery Lind shimano A serious tool for seriousFull wireless technology means an all new Battery. The BT DN320 fits snuggly and protected within the new Wireless XTR Rear Derailleur and powers the fast and smooth shifting XTR is known for. Protected Battery Tucked safely inside an enclosed space, the battery wont budge even in rough terrain, while remaining completely removable for charging. Longevity 310 MaH provides for more riding on one charge