Shimano GRX BL-RX812 Hydraulic Sub Brake Levers

Have you ever wished you could brake from the top part of your drop bars, but you had hydraulic disc brakes? The Shimano GRX BL-RX812 Hydraulic Sub Brake Levers have riders covered. Originally designed for use in Shimano's gravel bike drivetrain ecosystem, these GRX sub brake levers allow riders to comfortably access their brakes from the upright positioning of the top part of the handlebars.

Shimano GRX BL-RX812 Hydraulic Sub Brake Levers are designed to mount to the bar near the stem of any 31.8 mm-clamp handlebar. Check compatibility with your handlebar and already-mounted accessories before purchasing. Both left and right versions are available.