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Home Bike Components & Parts Cables & Wire Kits Dura-Ace Di2 Battery (Item #ISMBTR1A)


Shimano Dura-Ace Di2 Battery

$69.95

$55.97

Item # ISMBTR1A

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At a feather light 71g, the DI2 battery pack powers your entire system. On average, the battery can hold a charge for 1000 miles. Your current battery charge level can be checked through the front wire kit.

  • Extremely reliable | Li-Ion 7.4V technology
  • High performance | 1000 miles/1600 km average
  • Easy mounting | Fits any road bike & has quick release for easy charging
  • (SM-BTR1 and EW-7970 Pictured Together)
  • ...more


    Description +

    At a feather light 71g, the DI2 battery pack powers your entire system. On average, the battery can hold a charge for 1000 miles. Your current battery charge level can be checked through the front wire kit.

  • Extremely reliable | Li-Ion 7.4V technology
  • High performance | 1000 miles/1600 km average
  • Easy mounting | Fits any road bike & has quick release for easy charging
  • (SM-BTR1 and EW-7970 Pictured Together)
  • Reviews +

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