Other

- Replacement chain pins for Shimano 11-speed chains - Compatible with CN7900/7801 chains - 3 pins per pack

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.

Shimano STI lever hoods. - Fits Ultegra ST-6700 levers only

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

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

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 ST-R9100 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 Di2 STI Lever Hoods to make your bike feel new again. - Fits Dura-Ace R9170 Di2 levers

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

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.