NEW Shimano BT-R1A External Di2 Battery - 7970, 9070, 6770, 6870 consignment DT Swiss standard brass nipples

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

STEM OC1 3D Forged 35mm interface 7º

and increased durability

making it a functional and aesthetic upgrade

Mount Position: Bottom Bracket

NEW Shimano BT-R1A External Di2 Battery - 7970, 9070, 6770, 6870 consignment DT Swiss standard brass nipplesShimano 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