SHIMANO GRX ST-RX820 Hydraulic Disc Brake 2x12-Speed Lever Shifter:Right Shifter and ergo aero tops to

and ergo aero tops to minimize arm and hand fatigue

Enhanced Grip: Significantly increases the grip between carbon components

up to a maximum of 8 per day

We redesigned our controls with a higher brake lever pivot

SHIMANO GRX ST-RX820 Hydraulic Disc Brake 2x12-Speed Lever Shifter:Right Shifter and ergo aero tops toSHIMANO GRX Hydraulic Disc Brake DUAL CONTROL LEVER ST RX820 Precision Shifting for Diverse Terrain Experience unmatched control and comfort with the SHIMANO GRX DUAL CONTROL LEVER ST RX820, specially designed for mixed terrain riding and racing. This 12 speed mechanical shifter offers a light and responsive shifting experience. Its ergonomic shifter design reduces pressure on the palms, enhancing comfort during long rides. The anti slip brake lever