Shimano BT-DN300 Di2 Battery 12 Speed PSI SRAMSALE Includes 240mm flexible housing segment

Includes 240mm flexible housing segment for use with road Shimano®Shadow type derailleurs such as RD-R9100 and RD-R8000

Begin applying drip lube to top of rollers while pedaling backward

Stronger – Separate and lower attachment /adjustment bolt equates to stronger hold ensuring the chain cannot drop below the chain catcher

Anti-corrosion treatment

Shimano BT-DN300 Di2 Battery 12 Speed PSI SRAMSALE Includes 240mm flexible housing segmentThe Shimano BT DN300 Di2 Battery (12 Speed) features the same waterproof design Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12 speed road derailleurs and shifters when a fully wired option is selected. The same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames for a clean aesthetic. The third port is for riders who want the redundancy of Shimano's 12 speed Di2