Di2 Battery BT-DN300 Front Perforated synthetic leather composite upper

Perforated synthetic leather composite upper enables superior fit and breathability

the Protone Icon helmet features the latest technological advances in safety

CAGE - Medium (WiFLi)

radiant and unstoppable

390mm x 150mm platform area

Di2 Battery BT-DN300 Front Perforated synthetic leather composite upperThe 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