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

Chain Type: HG 12-speed

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

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