Shimano Complete group GRX 820 42T

Shimano GRX 820 12-Speed Mechanical Group, Double, 170 mm, 48x31D, 11-34
This group contains:

IFDRX820F - SHIMANO GRX Front Derailleur FD-RX820 Double DOWN SWING Braze-On Series ColourICSR810112134 - SHIMANO ULTEGRA Cassette CS-R8101-12 12-speed 11-12-13-14-15-17-19-21-24-27-30-34TIRX8202DRRDSC170A - SHIMANO GRX Brake (Kit) BRRX820KTSTRX820ST Right / Rear Resin with Fin No Adapter, for a mounting thickness at the back of 25 mm 1700 (Black)IRX8202DLF6SC100A - SHIMANO GRX Brake (Kit) BRRX820KTSTRX820ST Left / Front Resin with Fin Front assembled mount for 160 mm disc 1000 (Black)ICNM8100126Q - SHIMANO Chain CN-M8100 HG 12-speed E-BIKE RATED 126 links QUICK-LINKIFCRX8202CX81 - SHIMANO GRX Crank FC-RX820-2 HOLLOWTECH II 12 speed 170.0 mm 48-31T Series Colour Without bottom bracket parts Without CGIRDRX820 - SHIMANO GRX Rear Derailleur RDRX820SET 12 speed