Full 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.
Full 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.
