- Manufacturer
Shimano Ultegra Di2 Lithium Ionen battery SM-BTR1
For the past four years, professional riders have been riding Shimano Dura-Ace components
with Di2 electronic shifting technology over the highest mountains, the worst cobbles and
through the most extreme weather conditions imaginable. As of this year, Shimano Ultegra
will also be fitted out with this groundbreaking technology.
What are its characteristics? Just the same as for Dura-Ace. Changing gears becomes easier,
effortless and faster by simply touching the shift buttons. Control at your fingertips. Additional
benefits include an automatic trimming front derailleur, great accuracy plus easy adjustment
and installation. Di2 continues its great success with Shimano Ultegra. And it makes no difference
if these roads are cobbles, tarmac or mud.
Advanced 3D design and extensive testing
have allowed us to find the perfect balance between shifting speed, ergonomics, strength, weight
and rigidity. With just a flick of the finger, Di2 technology enables faster, precise and multi-precision
shifting plus automatic trimming.
High-Performance lithium ion battery with excellent reliability
The battery forms the Di2's heart. Its lithium ion technology guarantees a range of at least 2,000 km [1,250 miles] after which it can be fully recharged in just ninety minutes.
The battery's status can be read from an indicator next to the handlebars so that you'll never be confronted with any unpleasant surprises. Derailleurs can also be reset or
trimmed from this control unit.
Details:
- high-performance lithium ion battery (7.4 V)
- easy to assemble/dismantle
- charging time: 90 minutes
- nominal capacity: 530 mAh
- operating temperature range: during discharge: -10°C - 50°C, during charging: 0°C - 45°C
- storage temperature range: -20°C - 60°C
- weight: 71 g
Fits to Ultegra Di2 and Dura Ace Di2
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