The new EC300 charging connector is designed specifically for Shimano's 12-speed Di2 road drivetrains. Connected via the rear derailleur, it can also charge Shimano FC-R9200-P / RC-R8100-P power meter crankset.
• Charging connector for RD-R9250 / RD-R8150
• Also compatible with charging FC-R9200-P / FC-R8100-P power meter cranksets
• 1.7 m cable length
• Type-A USB connector