Shimano BT-DN300 Di2 Battery 12 Speed PSI SRAMSALE Stronger – Separate and lower

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

delivering outstanding ride comfort

and also keeps your internal wires and hoses from rubbing on the crank spindle

Anti-corrosion treatment

Chain Type: HG 12-speed

Shimano BT-DN300 Di2 Battery 12 Speed PSI SRAMSALE Stronger – Separate and lowerThe 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