Shimano BR-M555 is a high-performance front disc brake system designed for mountain biking. With its durable construction and reliable braking power, it ensures precise control and safety on rough terrains. The mineral oil-based hydraulic system provides smooth and consistent braking, while the adjustable reach and tool-free pad replacement features enhance user convenience. Experience confident and controlled braking with Shimano BR-M555, your trusted companion for off-road adventures.