Shimano Complete group GRX 610 12V 40T

Shimano GRX 610 12-Speed Mechanical Group, Mono, 165mm, 40 Teeth, 10-51
This group includes:

ICSM610012051 - SHIMANO DEORE Cassette CS-M6100-12 12 speeds 10-12-14-16-18-21-24-28-33-39-45-51TIRX6104DLF6SC100 - SHIMANO GRX Brake (Kit) BRRX410KTBLRX610 Left / Front Resin with fin Assembled front mount for 160 mm disc 1000 (black)EFCRX6101AXB0 - SHIMANO GRX Crank FC-RX610-1 12 speeds 165.0 mm 40T Colour seriesIRX6103DRRDSC170A - SHIMANO GRX Brake (Kit) BRRX410KTSTRX610 Right / Rear Resin with fin Without adapter, for a mounting thickness at the back of 25 mm 1700 (black)ICNM6100126Q - SHIMANO Chain CN-M6100 HG 12 speeds E-BIKE RATED 126 links QUICK-LINKIRDRX822SGS - SHIMANO GRX Rear Derailleur RDRX822SET 12 speeds