Shift/Brake Lever Shimano GRX ST-RX400 Right, 10-Speed

Shift/Brake Lever Shimano GRX ST-RX400 Right, 10-Speed

The Shimano GRX ST-RX400 right 10-speed Dual Control (STI) lever is designed specifically for gravel riding, delivering reliable shifting and powerful hydraulic braking in demanding conditions. The GRX series focuses on maximum control and durability across mixed terrain.

Gravel-inspired ergonomics and a textured, anti-slip brake lever provide secure grip even in wet and muddy conditions. The hydraulic disc brake ensures excellent modulation and braking power on steep and technical descents, while the 10-speed mechanical shifting remains light and precise.

• Model: ST-RX400
• Series: GRX
• Use: Gravel, Road, Cyclocross
• Type: Dual-Control (STI)
• Rear speeds: 10-speed
• Mount position: Right
• Brake type: Hydraulic disc brake
• Reach adjustment: Yes (with tool)
• Handlebar diameter: 23.8 / 24.2 mm
• Recommended caliper: BR-RX400
• Recommended hose: SM-BH90-JK-SSR / SM-BH90-J-SSR
• Recommended Disc Brake Rotor: SM-RT70 / SM-RT64