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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 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

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.

Get that nice derailleur shifting smoothly and operating silently again with a Shimano Rear Derailleur Pulley Set. - OEM pulley set for XTR RD-M9000 - Sealed bearing guide & tension pulley - Guide pulley with extra long teeth for increased chain control

Shimano Rear Derailleur Pulley Assemblies

Shimano Rear Derailleur Pulley Assemblies

Shimano Front Derailleur Braze-On Adaptors allow you to run a braze-on style front derailleur on a frame that doesn't have a front derailleur braze-on mount. Multiple sizes cover fitment on most frames.

QUICK-LINK FEATURE - Tool-free assembly (possible) - Non-reusable - TL-CN10 BENEFIT - Easy connect - Compatible with current 11-speed chains - Quick assembly tool

- Wears and functions like other links on the chain - SIL-TEC surface treatment - Tool free installation possible - TL-CN10 is available as SM-CN900-11 - Single use

Shimano's Di2 Battery Charger Cable plugs into the Battery Charger (shown, but sold separately) so you can keep your electronic drivetrain at full power.

- Width: 5.8 mm - Drivetrain Speeds: 11 - Color: Silver - Reusable: No