全面無線技術採用全新電池設計。BT-DN320 緊密嵌入全新無線 XTR 後變速器內部，受到良好保護，並為 XTR 知名的快速且順暢變速提供動力。
FEATURE
受保護的電池：電池安全地置於封閉空間內，即使在崎嶇的地形中也能牢牢固定，同時仍可完全拆卸以便充電。
FEATURE
長續航力：305 mAh 容量可提供更長的單次騎乘時間。
SHIMANO BUILT-IN BATTERY-BT-DN320
Regular price
$300.00
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