SHIMANO GRX REAR DISC BRAKESET-ST-RX820Shimano ST RX820 GRX Hydraulic Disc Brake Set Mechanical Shift Hydraulic Brake Shimano GRX ST RX820 levers deliver light and responsive mechanical shifting for mixed terrain riding and racing (Note: IRX8203DLF6SC100A and IRX8204DLF6SC100 are left non shift variations for 1x set ups). The GRX BR RX820 2 piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point. Despite its

ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting

crank arms: aluminium (painted)

keeping rotor safely affixed to hub

Rear speeds: 11/10/9

11-30t/11-32t

Size    ‎15-mm Thru Axle

• Metal pads offer longer service life

They are offered in 2x8 and 3x8 speed options

Dimensions: Total length 1

For the highest speed situations and the most powerful efforts

The Shimano DEORE SL-M5100 11-speed Rapidfire Plus shift lever features a lightweight

their innovative ergonomics are even more important to consider than adding additional gearing