Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed, Black

Optimize your gravel rides with the GRX ST-RX400 Hydraulic Brake/Shift Lever - Left, 2x10-Speed in sleek black. Designed explicitly for gravel and adventure bike enthusiasts, this dual control lever combines rugged durability with precise performance, ensuring you stay confident and in control on every terrain. Materials & Engineering: Constructed with aluminum and durable composite materials, the GRX RX400 lever is built to withstand harsh off-road conditions. The mineral oil hydraulic system delivers powerful, consistent braking performance with minimal maintenance, making it ideal for demanding gravel riding, bikepacking, and endurance adventures. Performance & Components: Featuring 's advanced hydraulic technology, this lever provides smooth, responsive braking and effortless gear shifts comparable to top-tier systems. The anti-slip lever design ensures optimal grip, even in wet or muddy conditions, while the tool-adjustable reach allows riders to customize lever ergonomics, accommodating various hand sizes and preferences for enhanced comfort and control. Technology & Compatibility: Engineered for seamless integration with 's FD-4700 and RX400 front derailleurs and RD-RX400 and RD-4700 rear derailleurs, this 2x10-speed left shifter provides reliable, precise shifting performance. Its ergonomic dual control design simplifies your ride, consolidating braking and shifting functions into one intuitive system, perfect for gravel racers, bike tourers, and hybrid commuters. Style & Use Case: With a sleek black finish, the GRX ST-RX400 lever complements any gravel bike setup, offering a clean aesthetic that suits both performance-oriented builds and casual adventure rigs. Its lightweight and ergonomic design make it suitable for long-distance gravel adventures, bikepacking expeditions, or daily commuting on mixed surfaces. Innovative Features: - Gravel-inspired dual control ergonomics for safe handling on rough terrain - Adjustable r

• Enhanced ergonomics with gravel-inspired dual control shift and brake levers for all-day comfort and control.
• hydraulic braking with anti-slip levers ensures reliable stopping power in diverse riding conditions, optimized for gravel and adventure riding.
• Precise, lightweight 2x10-speed shifting operation delivers smooth gear changes with the same performance efficiency as top-tier systems, enhancing ride quality.
• Tooled reach adjust feature allows customization for a perfect fit, accommodating multiple hand sizes and riding preferences for improved handling and comfort.
• Compatible exclusively with FD-4700, FD-RX400 front derailleurs, and RD-RX400, RD-4700 rear derailleurs, making it ideal for gravel, endurance, and adventure bike builds.