
PBR Ultra-Light Hard Anodized Aluminum Sprocket 4586 - 520
Designed by PBR from the experience gained in competition, this 43-tooth aluminum sprocket is intended for 520 pitch chain transmissions. Its machining and hard anodizing treatment provide a stainless and abrasion-resistant surface, ideal for road and track configurations where the reliability of the drivetrain matters.
This sprocket minimizes unsprung weight while maintaining good mechanical performance thanks to a strict manufacturing process and selected raw materials. It fits into a chain kit with sprocket/sprocket/chain for roadsters and sportbikes, and is suitable for motorcycles listed by manufacturer reference — check compatibility with your model (e.g., BMW S 1000 RR according to specified years).
Before installation, check the wear of the sprocket and chain and adhere to the recommended torque specifications. Replacing the sprocket with a PBR part allows for a clean and durable transmission behavior without compromising on weight.