NEW Shimano BT-R1A External Di2 Battery - 7970, 9070, 6770, 6870 consignment High volume casing enables comfortable

High volume casing enables comfortable ride

ISO Width (mm): 84 mm

Store in handlebar with a Wolf Tooth EnCase Storage Sleeve (included)

Bearing Type: Cartridge

DT Swiss standard brass nipples have a square interface and slot on the top

NEW Shimano BT-R1A External Di2 Battery - 7970, 9070, 6770, 6870 consignment High volume casing enables comfortableShimano 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 Shifter Derailleur Compatibility: Dura Ace 7970 Di2 Shifter Derailleur Compatibility: Dura Ace 9070 Di2 Shifter Derailleur Compatibility: Shimano Ultegra Di2