Shimano BT-DN300 Built In Battery DI2 Troy Lee Designs TLD they're durable for every-day use

they're durable for every-day use too

- Races are treated with a black oxide coating

2-position lever

Compatible with: Avid/SRAM XO Trail

Wear indicators

Shimano BT-DN300 Built In Battery DI2 Troy Lee Designs TLD they're durable for every-day useShimano 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 Compatible with thinner, next generation electric SD300 wires and R9150 and R8150 series systems Features three SD300 wire