The new GRX BL-RX610-L shifter bring greater rider control for mixed terrain riding thanks to Shimano's category-leading hydraulic disc brakes.

• Brake only lever.
• Greater mixed-terrain control from unique gravel inspired lever and bracket ergonomics.
• Anti-slip brake lever increases control on bumpy terrain.
• Raised brake lever pivot point increases leverage from the hoods.
• Adjustable free stroke and lever reach.
• ServoWave action reduces freestroke and progressively increases brake leverage.
• Compatible with 12 speed mechanical GRX and road derailleurs.