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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.

Big performance in a tiny package, the Shimano SW-RS801 remote shifter brings lightning fast shifting to custom shift points on the handlebar. - Compact satellite shifter creates multiple, custom shift points on the handlebar - Attaches directly to the handlebar - 100mm cable length

Big performance in a tiny package, the Shimano SW-RS801 remote shifter brings lightning fast shifting to custom shift points on the handlebar. - Compact satellite shifter creates multiple, custom shift points on the handlebar - Attaches to handlebar via zip tie - 260mm cable length

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 Dura-Ace R9100 - Sealed bearing guide & tension pulley - Guide pulley with extra long teeth for increased chain control

Shimano Rear Derailleur Pulley Assemblies

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 R9170 Di2 levers

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 STI Lever Hoods to make your bike feel new again. - Fits Dura-Ace ST-R9120 levers

Shimano Rear Derailleur Pulley Assemblies

Shimano Di2 Power Cables. Must purchase battery, charger, and power cable to complete the system - Di2 Battery, battery charger, and power cable are universal between Dura-Ace 7970 and Ultegra 6770 Di2 systems - This is the power cable for the Di2 Battery Charger (CY7972) - FD/Shifter Compatibility: Dura-Ace 7970 Di2 , Shimano Ultegra Di2

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 hydraulic brake lever small parts for replacement and repairs. - Bleed screw and O-ring for Shimano 105 ST-R7020 hydraulic 2x11 dual control lever

Shimano Y8H298040 SM-BH59 Olive and connecting insert

- Replacement pins for 9-speed Shimano chains - Compatible with CN-7700/HG92 chains - 3 replacement pins per pack