SHIMANO Di2 BT-DN320 BATTERY Bottom Bracket & Pedals Tools Rims: Giant double wall aluminium

Rims: Giant double wall aluminium 622x21

A super light CeraMAG replacement Ahead cap

A seriously rapid bike demands serious components in the pursuit of speed

The wider rim profile maintains excellent aerodynamic efficiency while shedding grams where it counts most

Insulating PrimaLoft® Energy main body fabric performs in a wide range of temperatures

SHIMANO Di2 BT-DN320 BATTERY Bottom Bracket & Pedals Tools Rims: Giant double wall aluminiumCompletely wireless technology demands a completely new battery. The Shimano BT DN320 is engineered to power the latest wireless XTR, DEORE XT, DEORE and GRX rear derailleurs, delivering fast and smooth shifting with the reliability you expect from Di2. Well protected design ensures durability in demanding conditions. Features Battery: Tucked safely inside an enclosed space, the battery wont budge even in rough terrain, while remaining completely