- The 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
- Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever)
- The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system
- One charge can give between 1000 and 2000 kilometre range depending on conditions and front mech operation (as this is the main power drain)
- 500 times rechargeable life
- Optional battery mount adapter is available if standard mount is not compatible
- Reliable and secure water resistant terminals
- Easily removable for charging
- Battery weight is 68 grams
- Electricals
- Batteries
- sm-btr1 di2 external mount battery
Shimano Non-Series Di2
SM-BTR1 Di2 External Mount Battery
£76.99
(prices and delivery times are subject to change)
- £0.00 - 29.99 order value = £10 shipping
- £30.00 - 49.99 order value = £7.50 shipping
- £49.99 - 99.99 + order value = £5.00 shipping
- Free over £100
Please Note:
- Preloved and Ex-Display Products cannot be Delivered and are for Collection Only
- Spare Parts from Branks Such as BMC and SRAM may take 5-8 weeks for delivery as they are not all immediately stocked by our distributors
We offer delivery to UK Mainland only.
Orders for in-stock products are processed within 2-5 working days.
If you order contains an item marked as "Available To Order", it is out of stock and will be ordered from on of our Distributors. This means delivery may take longer than normal. Please allow additional time for couriers to deliver goods.
Returns accepted. Please view our full delivery and returns policy.