Shimano Di2 Battery BT-DN300 Seatposts and encased in an ultra-durable

and encased in an ultra-durable Grilamid TR-90 frame

the bar should be set in the low position to increase the separation from the armrests

lightweight tape is designed to provide and airtight seal for tubeless setups

The extra-wide low-profile cleat and binding mechanism creates a highly stable interface between the shoe and pedal

Intuitive shifting control

Shimano Di2 Battery BT-DN300 Seatposts and encased in an ultra-durableThe new Shimano Di2 BT 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). The same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean external aesthetic. Now with 3 ports, the DN300 simplifies wiring to front and rear