Showroom closed during renovations - Our showroom is closed while our building undergoes extensive renovations. For updates please see our shop facebook page. Online ordering is still available.
Free Shipping

For domestic orders over $75.00. Discount applies to other orders. For full restrictions see store policies.

Registered Users get free shipping for purchases over $50.00!

Shop by Brand

Shimano Authorized Retailer FIST Certified

Shimano BT-R1A External Di2 Battery

Availability:In Stock (16 Available)
Your Price:$75.99

Instant Price Match

AEBike Part Number: BA7970
Manufacturer:  Shimano
Manufacturer Part Number: ISMBTR1A
UPC: 689228289635


Shimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • Battery weighs 71g
  • Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems
Item Specifications
Shifter/Derailleur CompatibilityDura-Ace 7970 Di2
Shifter/Derailleur CompatibilityDura-Ace 9070 Di2
Shifter/Derailleur CompatibilityShimano Ultegra Di2
76 points will be rewarded for our loyalty program when this product is purchased.





Browsing History


More Testimonials...
Winter tuneup special!

Bring your bike in before March to get a full overhaul at the price of a tune-up, and we'll store the bike til Spring!

More Shop News...