R540 Dual Pivot Caliper Brake Set A lightweight and reliable dual-pivot caliper brake set designed for road bikes. The R540 features an aluminum construction with adjustable cartridge brake pads for easy setup and dependable braking performance. Brake Type: Dual-pivot caliper Material: Aluminum Reach: 39–51 mm Brake Pads: P422 adjustable-angle cartridge pads Weight: 164 g Colour: Black Sold as: Front and rear pair