The Shimano ST-RX400 Shift-Brake Lever Right 10-Speed is crafted for smooth and efficient gear shifting. It features a 10-speed capability and a hydraulic brake system for precise gear changes and reliable stopping power. Its ergonomic design enhances comfort on long rides, and its durable construction ensures lasting performance. Compatible with Shimano drivetrain components, this lever is an excellent choice for cyclists seeking a dependable and efficient bike upgrade.