SHIMANO Di2 BT-DN320 BATTERY Bottom Bracket & Pedals Tools The wider rim profile maintains

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

Reduced Rolling Resistance: Enjoy a 15% reduction in rolling resistance compared to the AGILEST DURO clincher version

Rims: Giant double wall aluminium 622x21

A super light CeraMAG replacement Ahead cap

OmniCal - swap chainrings without affecting accuracy

SHIMANO Di2 BT-DN320 BATTERY Bottom Bracket & Pedals Tools The wider rim profile maintainsCompletely 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