The Sram Disc Brakelever Internals Guide-G2 is a comprehensive service kit designed to keep your G2 brake levers in top condition. This kit includes essential components such as the piston assembly, bladder, and spring, ensuring that your braking system operates smoothly and efficiently. Compatible with CODE R and DB5 models, this guide is an indispensable resource for anyone looking to maintain or repair their disc brake system. With easy installation, you can quickly restore your brakes to optimal performance, making it a must-have for any cycling enthusiast.