Shimano Di2 BT-DN300 Battery for internal mounting Electronic Components & Accessories The Tubi is sized for

The Tubi is sized for tubular or “sew-up” tires

- Additional zip-pocket

sweat-inducing training sessions

and distinctive look

During discharge: -10°C bis 50°C

Shimano Di2 BT-DN300 Battery for internal mounting Electronic Components & Accessories The Tubi is sized forThe new Shimano DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 EW SD300 ports, it delivers stable power to Shimano's 12 speed road front derailleurs and rear derailleurs (if a fully wired option is selected). THE SCIENCE OF SPEED: Shimano Di2 BT DN300 Battery With the same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean aesthetic. Now