PBR Steel Standard Front Sprocket - 520

PBR developed an innovative line called RSS (Rubber Sprocket System) for 18NC front sprockets:

• exceptional noise absence thanks to the rubber injected in the holes created on the front sprocket
• combination of very high robustness and fluidity
• durable injected rubber avoids ungluing problems
• high reliability in intensive usage & many kilometers
• available for sport, street and big capacity offroad motorbikes