【Item Condition】 Brand new, unused. 【Specifications】 Brand: rrskit Weight: 4g Port: Type-C 【Product Description】 This is an RRSKIT battery charging adapter compatible with the SHIMANO Di2 (12s) series. It can be used as an alternative to the Shimano genuine charging cable (EW-EC300). Using this, you can easily charge the battery with the rear derailleur. The lightweight and compact design makes it convenient for carrying and traveling. It comes with a strap to prevent loss. It is useful for bike maintenance and charging on the go. 【Compatible Models】 DURA-ACE R9200 Series (RD-R9250) ULTEGRA R8100 Series (RD-R8150) 105 R7100 Series (RD-R7150) *12-speed Di2 only (not compatible with 11-speed models)