Full Speed Ahead K-Force WE Battery, Charger, and Cable Set, 650mm and 1050mm Cables

From Colorado Cyclist

Easily and securely mounted inside the seatpost, the WE Battery is well protected from water or salt intrusion and provides long-term performance reliability with almost no weight penalty. Power cables run inside the seat-tube to the WE front derailleur and through the chainstay to the WE rear derailluer Centrally located on the bike to eliminate adverse handling characteristics 7.4V LI-ION battery provides around 4,000 to 6,000km charge life (depending on riding and shifting style) Fit and forget, no need to remove for recharging Charger, battery and power cables included