Shimano GRX RX820 48/31T 172.5mm 2x12v Complete Groupset

Featuring proven hydraulic braking technology, the new Shimano 105 BR-R7170 2-piston calipers impress with the Shimano Flat-Mount system and its flat profile, ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide brake pad spacing for easy wheel removal, quiet performance and, thanks to one-way bleeding, easy and thorough maintenance.

Shimano GRX RX820 42T 172.5mm 1x12v Complete Groupset

Featuring proven hydraulic braking technology, the new Shimano 105 BR-R7170 2-piston calipers impress with the Shimano Flat-Mount system and its flat profile, ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide brake pad spacing for easy wheel removal, quiet performance and, thanks to one-way bleeding, easy and thorough maintenance.

Characteristics:

- ST-RX820 2x12 speed brake/shift controls
- Ultegra BR-RX820 Flat mount clamps
- GRX FC-RX8202 48/31T crankset, 172.5mm
- FD-RX820 front derailleur, direct mount, 2x12 speed
- RD-RX820 12v rear derailleur, maximum 36T teeth, Shadow technology
- Ultegra CS-R8101 11-34T sprocket cassette
- CN-M8100 chain, 126 links (Quick Link lock included)
- RT-MT800 discs (Centerlock, 160 mm diameter)

Shift cables and housings included.