The SHIMANO GRX Left Shifter BR RX820 F is a high-quality, durable shifter for your bike. It comes in a sleek black color and is designed for 12-speed bikes. The shifter is compatible with the SM BH90 JK SSR 1000mm brake hose and offers smooth, precise shifting. It is easy to install and use, making it suitable for both beginners and experienced riders. The shifter's compact design and ergonomic shape provide a comfortable and efficient grip. With its impressive features and top-notch quality, the SHIMANO GRX Left Shifter BR RX820 F is the perfect addition to your biking setup. Features: - Compatible with 12-speed bikes - Sleek black color - Smooth, precise shifting - Easy installation - Comfortable and ergonomic grip - Durable design