SHIMANO Di2 BT-DN300 BATTERY FOR INTERNAL MOUNTING over-2500 lightweight hand pump for high

lightweight hand pump for high pressure tyres

For specific compatibility concerns

Ergo Bolton thumb structure with stretchy areas

the fork mount puts the light directly on the fork crown above the mudguard

Rear zippered pocket

SHIMANO Di2 BT-DN300 BATTERY FOR INTERNAL MOUNTING over-2500 lightweight hand pump for highWith 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 stable power at all times. The third port is for riders who seek the redundancy of Shimano's 12 speed Di2 wired option. Features Shimano Di2 BT DN300 Battery for Internal Mounting Compatible with thinner next generation electric wire