Shimano BT-DN300 Built-In DI2 Battery - For Dura-Ace 9250 Ultegra R8150 Systems Compatible SD300 Wires CheckoutTitle=Maxxis Rambler Tire - 650b x 47 }Maxima Racing Oils SERENE Dropper

}Maxima Racing Oils SERENE Dropper Post Fluid 16 fl oz

Fits tires up to 30c

Two piston movement evenly contacts rotors for optimum braking power and modulation

}Wolf Tooth 8-Bit Pliers Orange Bolt

Shimano BT-DN300 Built-In DI2 Battery - For Dura-Ace 9250 Ultegra R8150 Systems Compatible SD300 Wires CheckoutTitle=Maxxis Rambler Tire - 650b x 47 }Maxima Racing Oils SERENE DropperShimano BT DN300 Built In DI2 Battery For Dura Ace 9250 and Ultegra R8150 Systems Compatible with SD300 Wires. Shimano 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