The Shimano 105 ST-R7120 Dual Control Lever with BR-R7170 Hydraulic Calipers delivers precise 12-speed shifting and powerful all-condition braking in one refined package. Designed with updated lever ergonomics and a revised blade shape, the ST-R7120 provides comfortable, confident access across a wide range of hand sizes, ensuring every rider benefits from Shimano’s renowned quick and intuitive mechanical shifting. Reach adjust offers a personalized fit, while the light lever action allows riders to stay focused on the road ahead. With proven 2x12 gearing compatibility and seamless cable-actuated shifting, this system represents the perfect balance between performance, reliability, and value.

Pairing with the ST-R7120, the BR-R7170 flat-mount hydraulic disc calipers bring compact, lightweight stopping power optimized for modern road bikes. Featuring Shimano’s Flat Mount System, they offer a low-profile design with 10% wider pad clearance to minimize rotor rub, simplify wheel changes, and keep rides quiet and efficient. One-way bleed technology ensures maintenance is quick and clean, while the use of mineral oil fluid enhances reliability. At just 612 grams for the lever pair and 123 grams per caliper, this system is engineered for performance without excess weight. The result is confident braking, effortless shifting, and a seamless upgrade to your road setup.