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Shimano's Dura-Ace Di2 takes shifting to the next level. The Rear Wiring Kit connects to both the left and right shifters and Junction Box A (which displays battery power and allows manual adjusting). It also includes a battery mount, cable covers to route and hide the cables and a wire plug/unplug tool. The External Kit is meant to be run on the outside of the frame.

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's In-Line Brake Cable Adjuster with quick release allows you to make changes to your road caliper brake's cable tension or open a brake caliper's arms to remove a wheel.

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.

- Adapter allowing the installation of an IS 6-bolts disc on a hub using the Shimano Center Lock system - Compatible only with rotors that feature a steel spider (i.e. a steel mounting point, Not compatible with SM-RT76 / SM-RT86)

- 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

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

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

Shimano Y8H298040 SM-BH59 Olive and connecting insert