



PBR Ultra-Light Hard Anodized Aluminum Sprocket 4586 - 520 (Manufacturer part number: 4586 44 LD): a sprocket designed by a competition specialist for demanding riders. Machined from ultra-light aluminum and treated with hard anodization, it combines lightness and abrasion protection for reliable transmission on the road.
The design incorporates PBR's competition expertise: strict manufacturing control and the use of high-quality raw materials to minimize wear and reduce friction at the tooth level. Its lightweight construction reduces unsprung mass and contributes to a more responsive transmission behavior without compromising the robustness expected for roadster use.
Compatible with 520 transmissions and suitable for setups requiring a standard 44-tooth sprocket. Ideal for riders seeking a high-performance wear part, treated for durability to withstand road conditions. PBR guarantees precise manufacturing for easy replacement and lasting commitment on the road.