SHIMANO Di2 BT-DN110 Seatpost Internal Battery

A vital tool for serious cyclists, the DURA-ACE FC-R9200-P power meter delivers reliable, waterproof, dual-sided power measurement. With a rechargeable battery and Bluetooth®LE and ANT+ connectivity, the FC-R9200-P is a user-friendly training partner. The DURA-ACE FC-R9200-P power meter brings everything a data-driven cyclist could want. Its integrated, waterproof design brings all-weather reliability while delivering accurate information including left/right balance. A rechargeable Li-ion battery is user-friendly and Bluetooth®LE and ANT+ connectivity ensure easy setup. Specifications: - Average weight: 774 (54-40T) 752 (52-36T) 745 (50-34T) - Remarks : Crankset specifications not listed here are the same as FC-R9200 - Chainring combination: 54-40T 52-36T 50-34T - Crank arm length (mm)_165: X (52-36T) - Crank arm length (mm)_170L: yes - Crank arm length (mm)_172.5: yes - Crank arm length (mm)_175: yes - Firmware update by E-TUBE PROJECT: yes - Accuracy (%): TBD - Active temperature compensation: yes - Battery_Charging cable: EW-EC300 - Battery_Charging port: yes - Battery_Life: 300 h or longer