Shimano BR-AT50 is a lightweight cantilever brake system designed for precise rim control and reliable stopping power. Crafted from light alloy and steel, it offers durability and sturdiness. With a weight of 380 grams for the front and rear set, it's easy to handle and won't add excessive weight to your bike. The brake lever, model BL-AT50, is made from a combination of light alloy and steel, ensuring both strength and control.