Di2 Battery - BT-DN110-A7 Di2 Battery - BT-DN300 Built-In DI2 Battery - BT-DN300 Built-In DI2 Battery Options:BT-DN300 Built-In DI2 Battery - For Dura-Ace 9250 and Ultegra R8150 Systems, Compatible with SD300 Wires LIGHTEST IN CLASS: Starting with

LIGHTEST IN CLASS: Starting with premium butted and double-butted E5 alloy

Compatible with Shimano GRX cranksets including RX600 and RX810

The updated V4 caliper utilizes hybrid style Stainless steel pistons with a phenolic insert allowing for smoother movement and less maintenance

and strength

Soft and absorbent Microwipe™ thumb brushes away sweat with ease

Di2 Battery - BT-DN110-A7 Di2 Battery - BT-DN300 Built-In DI2 Battery - BT-DN300 Built-In DI2 Battery Options:BT-DN300 Built-In DI2 Battery - For Dura-Ace 9250 and Ultegra R8150 Systems, Compatible with SD300 Wires LIGHTEST IN CLASS: Starting withShimano Di2 Batteries. Must purchase battery, charger, and power cable to complete the system. 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 from http: e tubeproject. shimano. com