
The reinforced aluminium PBR sprocket - 520 (manufacturer reference 1031 43 LD) is aimed at riders looking for a lightweight and robust transmission part for roadsters. Designed from high-quality aluminium and based on experience gained in competition, it combines abrasion resistance and corrosion resistance to last on the road. Its understated aluminium finish easily matches most rolling chassis.
Main features:
Compatible with transmissions equipped with a 520 chain, this sprocket is particularly suitable for roadsters. Common fitment examples: QJ MOTOR SRK 700 (2023, 2024, 2025). Ideal for replacing a worn part and regaining a reliable transmission ready for daily riding or long trips.