Battery Shimano (SPEC. DI2) BT-DN300 Internal
With the same size as its predecessor, the slim DN300 battery can be housed inside the seat posts or frames, ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies the wiring to the derailleur and the change, providing stable power at all times. The third port is for cyclists looking for redundancy of the Di2 option of 12 speeds with Shimano cables.
With the same size as its predecessor, the slim DN300 battery can be housed inside the seat posts or frames, ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to the derailleur and the shift, supplying stable power at all times. The third port is for cyclists looking for redundancy of the Di2 option of 12 speeds with Shimano cables.
·Compatible with the thinner next-generation SD300 electric cable and systems after the R9250/R8150 series
·3 SD300 ports
·Mounting method shared with BT-DN110
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