NEW Shimano Battery, BT-DN110A-7, Built-In Type, Di2 for Seatpost Type_Helmets Front Wheel: Shimano MT400 Center

Front Wheel: Shimano MT400 Center Lock hub (15 x 110 mm)

Chain Wrap Capacity (teeth): 40 teeth

It attaches to a CO2 head to work as a pump when you've run out of CO2

Paired with our durable Rachet-and-Pawl clutch

NEW Shimano Battery, BT-DN110A-7, Built-In Type, Di2 for Seatpost Type_Helmets Front Wheel: Shimano MT400 CenterShimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system. All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware from http: e tubeproject. shimano. com