Shimano BL-1051 is a high-performance brake lever designed for road bikes, offering precise braking control and a comfortable riding experience. It features SLR (Shimano Linear Response) technology for a smooth and consistent braking feel, allowing riders to modulate their braking power with ease. The BL-1051 is compatible with Shimano 105 series brake calipers and is designed to work seamlessly with Shimano's outer cable casing with liner for optimal performance.