Shimano BT DN300 Built In DI2 Battery WH a tagless design that won't

a tagless design that won't itch your skin and a clean

Extra width and back height for more expansive comfort

BODY: 100% POLYESTER EXCLUSIVE OF DECORATION

Soft and Forgiving Fabric

Shimano BT DN300 Built In DI2 Battery WH a tagless design that won't"The new DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12 speed road derailleurs and shifters (if a fully wired option is selected). With the same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to front and rear derailleurs, supplying