Parts & Accessories

Shimano BT-R1A External Di2 Battery - 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 - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams

- Di2 internal battery, fits all e-Tube Di2 groups - Capacity: 500 mAH (± 2000km) - Use with EW-WU101 or SC-MT800 interfaces/junction to gain BlueTooth Smart wireless connectivity for on-the-fly adjustments with smartphones and tablets - Requires SM-BCR2 charger

SHIMANO STEPS - Battery Charger - Plug Type A for USA, Canada For charging your SHIMANO STEPS battery without removing it from your e-bike, the EC-E8004-2 charger provides fast charge times and a small connector. It can also charge the battery directly with the use of an adapter. - Lightweight and portable battery charger - Same compact size and weight as EC-E6002 - Rapid charging - Quick charge from half to 80% in 1 hour - Charge from empty to 80% in 2.5 hours - Go from empty to fully charged in 4.5 hours - Equivalent or higher to waterproof grades 5 (IPX5)