Shimano BR-IM41 is an Inter-M brake system designed for use with Shimano Nexus Inter-7 shifting levers. It provides reliable braking performance and is specifically intended for city and trekking bicycles. The system features a sealed brake drum filled with grease, ensuring smooth operation even in wet conditions. It is compatible with sprockets ranging from 16T to 22T and offers consistent braking power throughout its lifespan. With proper maintenance and care, the Shimano BR-IM41 brake system can enhance the safety and control of your cycling experience.