Shimano BT DN300 Built In DI2 Battery Camping Accessories the shifting is easier and

the shifting is easier and cable tension is adjustable on the fly for on-ride tweaking

machined-aluminum frame mount

• Larger disc brake rotor option provides consistent brake performance with more power

12x142mm AXLE12x142mm

Vertical channels increase compliance and give lighter handling feel to voluminous tire

Shimano BT DN300 Built In DI2 Battery Camping Accessories the shifting is easier and"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