
PBR Reinforced Aluminium Sprocket - 520 (manufacturer ref: 1031 40 LD): a sprocket designed for demanding roadsters. Machined from reinforced aluminium, it prioritises lightness without sacrificing strength, ensuring a clean transmission and simplified maintenance. Ideal for replacing an original sprocket or for fitting a 520 chain.
Designed from PBR's racing experience, this sprocket benefits from rigorous quality controls derived from the racing environment, without unverified technical claims. It is aimed at riders looking for a reliable and lightweight wear part for their roadster, while adhering to manufacturer tolerances.
Main compatibilities: QJ MOTOR SRK 700 (2023, 2024, 2025 - 700 cm³). Always check the number of teeth and chain pitch before installation.