Shimano BR-7700 is a high-performance caliper brake designed for road bikes, offering precise braking control and reliable stopping power. Its dual-pivot design provides increased leverage and linear braking response, while the adjustable shoe clearance allows for fine-tuning to accommodate different rim sizes and riding conditions. The BR-7700 is compatible with Shimano's DURA-ACE brake levers and cables, ensuring optimal braking performance and system integration.