Shimano GRX RX820 42T 172.5mm 1x12v Complete GroupsetThe new RX820 range offers high-level performance at an excellent price, with an ergonomic design and a specific transmission for Gravel and all off-road adventures. Version with 42-tooth single chainring crankset, 172.5 mm cranks and 10-51 sprocket cassette. Shimano GRX RX820 42T 172.5mm 1x12v Complete GroupsetThe new RX820 range offers high-level performance at an excellent price, with an ergonomic design and a specific transmission for Gravel and all off-road adventures. Version with 42-tooth single chainring crankset, 172.5 mm cranks and 10-51 sprocket cassette. Characteristics:- ST-RX820 1x12-speed brake/shift controls
- Ultegra BR-RX820 Flat Mount Calipers
- GRX FC-RX8201 42T crankset, 172.5mm
- RD-RX820-SGS 12v rear derailleur, maximum teeth 51T, Shadow technology
- Deore XT CS-M8100 11-51T sprocket cassette, Microspline
- CN-M8100 chain, 126 links (Quick Link closure included)
- RT-MT800 discs (Centerlock, diameter 160 mm)Shift cables and covers included.