NEW Shimano BT-DN300 Built-In DI2 Battery - For Dura-Ace 9150 and Ultegra R8150 Systems Compatible with SD300 Wires tubeless-ready-clincher All pads are designed and

All pads are designed and dyno tested in-house at Barnoldswick

The fixable universal gear allows powerful screwdriving and easy fine adjustments

8-degree upsweep

- MINI CLUSTER technology with aluminum large cog for light weight and durability

NEW Shimano BT-DN300 Built-In DI2 Battery - For Dura-Ace 9150 and Ultegra R8150 Systems Compatible with SD300 Wires tubeless-ready-clincher All pads are designed andShimano 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