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Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.

Shimano Di2 External Battery Mount - 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

If you put in a lot of miles and/or sweat a lot, your shifter hoods probably need freshening up. Grab a pair of Shimano Di2 STI Lever Hoods to make your bike feel new again. - Fits Dura-Ace ST-9150 Di2 levers

This is the correct plug-and-play wire for Shimano's E-Tube Di2 electric-shifting systems. It comes in sixteen different lengths, so choose the one(s) that's right for your Di2 E-Tube wiring configuration.

If you put in a lot of miles and/or sweat a lot, your shifter hoods probably need freshening up. Grab a pair of Shimano Dura-Ace STI Lever Hoods to make your bike feel new again. - Fits Dura-Ace 9001 STI levers

Shimano Di2 STI lever hoods. - Fits Ultegra ST-6870 Di2 levers only

Shimano XT RD-M786-GS Rear Derailleur Inner Cage Plate - "B" fit for XTR RD-M986-GS, Deore RD-M615-GS, RD-M610-GS - OEM inner cage plate for XT RD-M786-GS, SLX RD-M675-GS

Shimano Deore XT RD-M786-SGS Rear Derailleur Inner Cage Plate - OEM inner cage plate for XT RD-M786-SGS, SLX RD-M675-SGS

Need a spare Shimano cable adjuster assembly for your Dura-Ace R9100 rear derailleur? You've found it. Making sure this part is in working order can mean the difference between a two-second barrel twist to return your shifting to perfect, or getting out the multi-tool to readjust the cable again and again until it's close enough to get home. Your choice.