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Shimano Di2 Battery SM-BTR1
The Di2 Dura-Ace system utilizes a lightweight(69 grams) lithium-ion battery to power all the systems. On a full charge the battery will last approximately 1000 miles and recharging takes a short 1.5 hours. Charger and wiring kit sold separately.
Note - To complete the Di2 System all items listed below are required. To maximize the performance and utilize Di2 to its fullest potential itis very highly recommended all other components(cranks/brakes/ect.) be Shimano Dura-Ace7900 series.
Di2 Dura-Ace Controls or (Di2 Dura-Ace TT/Tri Brake Lever & Di2 Dura-Ace TT/Tri Bar-End Shifters)
Di2 Dura-Ace Rear Derailleur
Di2 Dura-Ace Front Derailleur
Di2 Dura-Ace Rear Wire kit
Di2 Dura-Ace Front Wire Kit
Di2 Dura-Ace Battery Charger
Di2 Dura-Ace Charger Cable
The Di2 Battery uses the latest in Lithium Ion technology to deliver reliable long life, and still remain lightweight. The 7.4 volt battery will last through conditions requiring constant and frequent shifting on rides reaching 1000 kilometers – that’s a long ride!
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View other products from Shimano classified in Cycling > Bike Computers. View all products from Shimano.
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Sometimes, we can't be sure that the product is the same across the stores that offer its, so you may find the same product listed more then once on GearBuyer.com, we these list highly similar products below.
 | Shimano Di2 Battery Charger | $119.95 - $119.99 |
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