Shimano GRX ST-RX820 Shift/Brake Lever with BR-RX820 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount Caliper, Black E-Bike Cervelo’s mammoth BBright bottom bracket

Cervelo’s mammoth BBright bottom bracket provides Herculean power transfer while their renowned geometry means it’s as comfortable as it is responsive and fast

this wireless wonder has larger pulleys to decrease chain articulation and increase efficiency

reducing fatigue over rough pavement and long miles

from smooth pavement to rough gravel roads

Shimano GRX ST-RX820 Shift/Brake Lever with BR-RX820 Hydraulic Disc Brake Caliper - Left/Front, 2x, Flat Mount Caliper, Black E-Bike Cervelo’s mammoth BBright bottom bracketShimano GRX ST RX820 dual control levers delivers light and responsive mechanical shifting for mixed terrain riding and racing (Note: BR1060 and BR1061 are left non shift variations for 1x set ups). 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. The SERVO WAVE brake lever action provides greater braking power with improved