The Shimano Tiagra ST-4700-L is a left-hand brake and shifter combo designed for road bikes with 10-speed drivetrains. It integrates Shimano’s Dual Control Lever technology, allowing seamless brake and gear shifting functionality within a single ergonomic lever. Featuring Reach Adjust, it enables customization of the lever distance for different hand sizes and riding preferences. Compatible specifically with Shimano road bike 2×10 speed setups, it provides accurate and effortless front gear shifting. Constructed from durable aluminum and finished in black, it fits drop bar handlebars and emphasizes clean internal cable routing for a tidy cockpit. This shifter is suitable for riders seeking reliable 10-speed front shifting performance combined with integrated braking, offering smooth operation and ergonomic comfort for endurance or performance road cycling.