Shimano Derailleur kit Groupe GRX Di2

Shimano GRX 825 Di2 12 Speed, Mono, Disc Brakes, 175mm, 44 Teeth, 10-51. This group is delivered without discs or Di2 cables, and contains: IFCRX8201EXB4 - SHIMANO GRX Crank FC-RX820-1 HOLLOWTECH II 12 speed 175.0 mm 46T Colour series Without bottom bracket parts Without CGIECDN100A - SHIMANO Battery charger (Di2 spec.) EC-DN100 (Compatible battery BT-DN320) IRX8251DRRDSC170A - SHIMANO GRX Hydraulic disc brake kit BRRX820KTSTRX825 Right / rear Resin with fin Without adapter, for a rear mounting thickness of 25 mm 1700 (Black) IRX8208DLF6SC100 - SHIMANO GRX Hydraulic disc brake kit BRRX820KTBLRX825 Left / front Resin with fin Front mount assembled for 160 mm disc 1000 (Black) IRDRX827SGSA - SHIMANO GRX Rear Derailleur (Di2 spec.) RD-RX827-SGS 12 speed 1st group ICSM8200051 - SHIMANO DEORE XT Cassette CS-M8200-12 12 speeds 10-12-14-16-18-21-24-28-33-39-45-51T IBTDN320A - SHIMANO Battery (Di2 spec.) BT-DN320 On-board battery 7.6 V 2.32 Wh ICNM8100126Q - SHIMANO Chain CN-M8100 HG 12 speed E-BIKE RATED 126 links QUICK-LINK