Shimano GRX ST-RX820 12sp Disc Brake Set 48 reduces fading and noise and

reduces fading and noise and also increases the service life of the pads

with solid pins and a more modest finish treatment

Race compound for superior grip in dry conditions

while the shoulder lugs take over in the turns

D2 edge flex - provides softened edges for optimal pedal strokes

Shimano GRX ST-RX820 12sp Disc Brake Set 48 reduces fading and noise andThe SHIMANO GRX DUAL CONTROL LEVER delivers light and responsive mechanical 12 speed shifting for mixed terrain riding and racing. The ergonomic shifter design improves comfort by decreasing pressure on your palms, while the textured, anti slip brake lever surface increases control on bumpy terrain.