Shimano BT-DN300 Di2 Internal Mount Battery 12 Speed 29er Updated geometry includes a lower

Updated geometry includes a lower bottom bracket

commuting and exploration needs alike

Compact but not less strong

- Quick-release mounting

Conquer every mountain

Shimano BT-DN300 Di2 Internal Mount Battery 12 Speed 29er Updated geometry includes a lowerThe power house of Shimano Di2 is a long life 7. 4V Li Ion battery that is both compact and reliable, taking shifting effort away from you Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads The use of a single small and discreet internal battery is light weight, efficient and creates a robust and reliable system One charge gives